Тёмный

SD Card vs. Monster Magnet and Induction Cooker (2000W AC electromagnet) 

Brainiac75
Подписаться 781 тыс.
Просмотров 810 тыс.
50% 1

Thanks to Brilliant for supporting my channel with the sponsorship. Use this link www.brilliant.org/Brainiac75 for 20% off on the premium subscription and help me out at the same time.
Are SD cards really magnet proof? Even when thoroughly tested near some of the strongest permanent magnets available? And what about the AC electromagnet in an induction cooker? Will that affect the data on an SD card? Let us find out!
F71 Teslameter donated by Lake Shore Cryotronics:
www.lakeshore.com/products/Ga...
50 mm sphere magnets and one of the 150x50 mm disc magnets donated by www.magnetportal.de/
My Patreon-page: / brainiac75
Did you miss one of my videos?: / brainiac75
FULL MUSIC CREDITS
Time code: 0:00
"Fluidscape" Kevin MacLeod (incompetech.com)
ISRC: USUAN1100393
Time code: 0:42
"Clear Waters" Kevin MacLeod (incompetech.com)
ISRC: USUAN1100290
Time code: 2:47
"Relaxing Piano Music" Kevin MacLeod (incompetech.com)
ISRC: USUAN1500075
Time codes: 3:22 + 8:17
"Long Note Two" Kevin MacLeod (incompetech.com)
ISRC: USUAN1100420
Time code: 4:46
"Neo Western" Kevin MacLeod (incompetech.com)
ISRC: USUAN1100615
Time codes: 6:32 + 9:31 + 11:16 + 11:41
"Perspectives" Kevin MacLeod (incompetech.com)
ISRC: USUAN1300027
Time code: 10:56 + 11:36
"Monkeys Spinning Monkeys" Kevin MacLeod (incompetech.com)
ISRC: USUAN1400011
Time code: 12:14
"Peace of Mind" Kevin MacLeod (incompetech.com)
ISRC: USUAN1200099
All music above licensed under Creative Commons: By Attribution 4.0 License
creativecommons.org/licenses/b...
Time code: 13:09
Mix of two tracks:
1) The Shimmering by fran_ky (freesound.org/s/237363)
Licensed under Creative Commons 0 license
2) "Spacial Harvest" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
creativecommons.org/licenses/b...
ISRC: USUAN1100653
#SD-card #Magnet #Brainiac75

Наука

Опубликовано:

 

12 июн 2024

Поделиться:

Ссылка:

Скачать:

Готовим ссылку...

Добавить в:

Мой плейлист
Посмотреть позже
Комментарии : 969   
@runklestiltskin_2407
@runklestiltskin_2407 4 года назад
The real consensus of the video, cheap electronic devices aren't worth shit, that capacitor was an abomination.
@vgamesx1
@vgamesx1 4 года назад
The other way of looking at this is "Oh that's why this is cheap... Alright, I'll just replace that cap and I still saved myself a few bucks"
@Flowxing
@Flowxing 4 года назад
Yeah caps and copper wire is usually the only thing they can cheap out on. Replace those and youre fine
@A-ELL
@A-ELL 4 года назад
Flowxing ...by winding a replacement induction coil? Surely not.
@AtaGunZ
@AtaGunZ 4 года назад
on thee contrary, the cheapo sd cards were actually good
@johanponin1360
@johanponin1360 3 года назад
also out of the box != new.. that thing may have been in store for years :)
@Maraxius
@Maraxius 4 года назад
That cooker truly 'inducted' this little SD card into the Hall of Fame, in my book.
@bullhornzz
@bullhornzz 4 года назад
Ahhh really? Really? Like we aren't suffering enough already from Covid19 and them you had to make this pun and end all hope for humanity. 🤦‍♂️😆👍
@JDLeonard74
@JDLeonard74 4 года назад
Yes, you have been flagged for a blatant dad joke. Brace for impact...! ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-WwlNPhn64TA.html 😲🤣👍
@thetruthexperiment
@thetruthexperiment 4 года назад
Dude, that comment needs its own hall of fame and you should be flown to Geneva for a black tie award ceremony.
@nameismetatoo4591
@nameismetatoo4591 3 года назад
Can we all just take a second to appreciate the incredible engineering that has led to memory cards the size of a pinky nail-which can hold over a TB of data- that can withstand such insane amounts of magnetic, thermal, and kinetic abuse? I mean...it's honestly mindblowing.
@electricheisenberg5723
@electricheisenberg5723 2 года назад
isn't that 32 gb? it looks like a 32 gb card to me.
@nekogod
@nekogod 2 года назад
@@electricheisenberg5723 That one was, but there are 1TB ones that are just as robust
@zx-3948
@zx-3948 2 года назад
Yeah, I don't think I could properly understand how older people got by with just kilobytes of data large floppy disk, let alone enormous hard drives that only hold data in the bytes range
@antoniolewis1016
@antoniolewis1016 2 года назад
@@zx-3948 25 years ago, a 4gb hard drive was normal, if not impressive. That's like, not even a fraction of a video game today! They had an impressive 32 megabytes of RAM!!
@RupertReynolds1962
@RupertReynolds1962 2 года назад
End of last century, I programmed big mainframe computers, which would cost millions of £ (or € or $) for an installation. My phone has a 1TB MicroSD card in, more than the total online disk storage of those mainframes. The processor is probably faster at doing sums, too :-)
@wesnohathas1993
@wesnohathas1993 2 года назад
Since it apparently doesn't damage the data, the monster magnet seems like a great way to avoid losing those tiny things.
@akyhne
@akyhne 4 года назад
PNY is actually a well known brand - also in Denmark.
@zombinawaifu8918
@zombinawaifu8918 4 года назад
akyhne and they are a very good products usually too, Iirc they make(or made, I think they still do) gpus that are decent aswell.
@MatthewHensley8304
@MatthewHensley8304 4 года назад
yes and all flash memory and 3d nand is all magnetic proof
@Talia.777
@Talia.777 4 года назад
PNY products have very high quality and are well-known in US, UK and most European countries
@nathanmead140
@nathanmead140 4 года назад
I have one of their 2.5 inch 80GB SSD's in my PC and it is really fast (the time to boot linux on the harddrive it replaced was 1 - 2 minutes for the kernel to start all my stuff and the SSD boots in 5 - 15 seconds with the same OS same files and a few extra big files and it has a metal case on it
@veselidiktator9789
@veselidiktator9789 3 года назад
For photographers PNY is well known and reliable brand
@21Trainman
@21Trainman 2 года назад
I would be interested to see these same tests done on your regular SD cards, though I fully expect the results to be the same, despite the lack of “magnet proof” advertising.
@GoldSrc_
@GoldSrc_ 4 года назад
To say PNY, just say each separate letter, something like "pee en why".
@RelianceIndustriesLtd
@RelianceIndustriesLtd 4 года назад
god you are a genius
@RelianceIndustriesLtd
@RelianceIndustriesLtd 4 года назад
@Dr. Coomer thank you for finding me a good movie
@TheRoboticDream
@TheRoboticDream 4 года назад
I'm saying it pony from now on, lol.
@tsparker
@tsparker 4 года назад
Why am I peeing?
@Wastelander1972
@Wastelander1972 4 года назад
I knew we’d meet each other again. We are coterminous.
@mugustabjeonklei2613
@mugustabjeonklei2613 4 года назад
6:16 reminds me of when I was a kid using a calculator and the calculator would occasionally be wrong with a simple problem such as 3x4=?, I started doing the same problem on the calculator twice every time just to make sure it was right. It's been years since I've seen it happen, but I'll never forget the confusion.
@AverageAlien
@AverageAlien 4 года назад
weird
@Furismo
@Furismo 4 года назад
I had similar anomaly. I was coping a SQL schema. I tried to run it but it seems to have an syntax error and it was, one letter was changed into ",".
@amogus7
@amogus7 3 года назад
# calc --no-error-when-divided-by-zero --debug 52 div 0 0 x 0 = 0, 0≠52, skip; 1 x 0 = 0, 0≠52, skip; 2 x 0 = 0, 0≠52, skip; E: found divizion by zero, continue; 3 x 0 = 0, 0≠52, skip; ... calc not responding, continue? (y/n)
@Fareke2
@Fareke2 3 года назад
Me and my friends had the same type of calculator in school but one time we had same formula written in the calculator and we had 3 different results
@Katerpillar
@Katerpillar 3 года назад
It used to happen sometimes when the battery was low
@Manawyrm
@Manawyrm 4 года назад
It would be interesting to see the effects of ionising radiation on microSD cards. Something like a big gamma ray source (maybe over a longer test time) or an Xray machine...
@zdw306
@zdw306 4 года назад
Just leave the memory card in direct sun for a set amount of time. The sun does release ionizing radiation. Plenty of it
@GRBtutorials
@GRBtutorials 4 года назад
@@zdw306 Actually, it doesn't. Not any that reaches Earth, anyways. UVA/B/C is actually not ionising radiation because it doesn't have the energy to ionise atoms (but it has enough energy to mess up with DNA). Ionising radiation begins in the EUV (extreme UV) part of the spectrum, and that's strongly attenuated by Earth's atmosphere, as well X-rays and gamma rays (not that the Sun emits many at its surface).
@spicemasterii6775
@spicemasterii6775 4 года назад
Or a microwave oven
@The_Keeper
@The_Keeper 4 года назад
@@spicemasterii6775 Microwaves aren't ionising. At worst it'll just melt the card.
@xxportalxx.
@xxportalxx. 4 года назад
@@GRBtutorials In fact part of the UVC spectrum is ionizing by the technical definitions of both, and also in fact although you are correct that it is strongly attenuated in the atmosphere it does reach the surface.
@woowooNeedsFaith
@woowooNeedsFaith 4 года назад
6:04 So you practically demagnetized the card's casing in the alternating magnetic field. Because the card clearly reacts to strong magnetic field, I guess it has some ferromagnetic protective casing. In very strong (unipolar) field you can induce small remanence field into it, and that could be reason for the altered reading. If that is the case, it is evident why AC field of induction cooker could not have any effect. (But form the get-go, induction heater is not a good source for *strong* magnetic fields, because you don't need *strong* magnetic field to have large eddy currents in a conductive plate. Fast changing magnetic field is enough it induce the eddy currents.)
@Anamnesia
@Anamnesia 4 года назад
re: self-repairing checksum. It could have been some parity Error Correction routine on the SD card. Blocks are being constantly written/erased/re-written on the SD card. Perhaps some of the "magnetic protection" the card has relates to its error correction ability... 🤔
@IkBenBenG
@IkBenBenG 4 года назад
SD cards are flash memory. The blocks aren't constantly being rewritten since flash blocks only can be rewritten a couple thousand times before they break. Any process which constantly rewrites those blocks would very quickly kill the SD card. I think it's more likely that a bus error happened. The SD signal passes trough a connector with possibly some dust on it which can make the signal quite noisy. It's possible that this electronic noise caused a bit to flip while reading the card. Error correction would have occured before reading the card, and it is deterministic so if it fails once it would keep failing on subsequent attempts too if the data was actually corrupt.
@georgeindestructible
@georgeindestructible 4 года назад
@@IkBenBenG Bus error was the first thing it came to my mind too and the other stuff you mention, however i am unsure of this because i think windows run checkdisk when you insert partitions so if the file system repaired a single or a few flipped weak bits it might have been the reason why that weird thing happened. My knowledge level ends here though, and since this is way more complicated that what i know some one else could be able to explain/confirm this.
@jesuschal3802
@jesuschal3802 4 года назад
Another possibility is that some cell or paths became slightly magnetised and so disturbed electrical the read out of a cell (bit/byte ?). The second time the card went through the magnet the cell or path got demagnetised thus things got back to normal.
@jebactychpolicjantow5497
@jebactychpolicjantow5497 4 года назад
Any error checking, block fuckery, checksum garbage would be handled by windows drivers; not anything loaded on the card itself. I don't know anything about electromagnetic noise but i know a good amount about windows filesystem bits and bobs; also the fact that there is no firmware on any card - no code to be executed, and no electrical component with significant logic. It is all handled software wise by the driver.
@krislarsen6546
@krislarsen6546 3 года назад
@@IkBenBenG yep its better to not to delete anything on those SD cards
@mbainrot
@mbainrot 4 года назад
when typing the parameters for commandlets, you can save yourself keystrokes by pressing tab after partially typing it :)
@Saareem
@Saareem 4 года назад
And in addition you can just press arrow up to go through previously used commands.
@waseemabbas6703
@waseemabbas6703 4 года назад
If your typing speed is good then no one would bother to save, just type feels ok
@Hoch134
@Hoch134 4 года назад
@@waseemabbas6703 It's definitely good if you only (want to) remember the first part of the file. That way you do save yourself a bit of time even if you type fast.
@-morrow
@-morrow 4 года назад
and just use bash
@svampebob007
@svampebob007 4 года назад
@@waseemabbas6703 yeah no, you're still going to save yourself allot of time, that argument can be use against the "press arrow up" because sometimes you have to edit some part of the previous command and pressing arrow up and moving the cursor or deleting parts of it can be slower then just pressing the first few characters and tab. Though I was slightly triggered by him not using arrow up in this instance, and also not just doing ctrl+a ctrl+v every time, thus making 2^x copies.
@GraemeGunn
@GraemeGunn 4 года назад
6:29 "Terrestrial SEU arise due to cosmic particles colliding with atoms in the atmosphere, creating cascades or showers of neutrons and protons, which in turn may interact with electronic circuits. At deep sub-micron geometries, this affects semiconductor devices in the atmosphere." lol wow, that's actually really cool.
@Talia.777
@Talia.777 4 года назад
Indeed 🤣🤣👌👌
@vimicito
@vimicito 4 года назад
Interesting results! In the RU-vid poll I guessed that it wouldn't be affected by either because the SD card doesn't have any components that would be affected by a static field (surprised to see that it does!) and the induced current by the induction cooker wouldn't be enough to fry something in it, but I wasn't entirely sure. Great video as always!
@deathnightANIMATED
@deathnightANIMATED 4 года назад
Wait that san disk says x-ray proof. What's up with that?
@taldmd
@taldmd 4 года назад
means that you can have your card in your laptop or luggage and pass it through airport x-ray scanners without losing your data.
@OnlyMisery
@OnlyMisery 4 года назад
Oh shit, Here we go again
@deathnightANIMATED
@deathnightANIMATED 4 года назад
@@taldmd is that just marketing though? Or is data actually at risk if something that isnt marked as x ray proof ran through some xrays?
@coast2coast00
@coast2coast00 4 года назад
@@deathnightANIMATED It damages unexposed film, so this would be marketing aimed at people who used to fly with film cameras and are scared of their digital pictures being erased.
@GRBtutorials
@GRBtutorials 4 года назад
@@OnlyMisery Oh yeah, here we go again.
@BHK0000
@BHK0000 4 года назад
0:46 PNY is a known brand, I know they make budget graphics cards and all sorts of other PC electronics
@marsmagnus8524
@marsmagnus8524 4 года назад
They are actually THE Partner of nVidia: They are the sole manufacturer of nVidia Quadro GPU's and produce the Founder's Edition GPU's.
@BHK0000
@BHK0000 4 года назад
Mars magnus are you sure? Or do they just produce the parts? Thanks, either way
@marsmagnus8524
@marsmagnus8524 4 года назад
@@BHK0000 As far as I know they are the sole manufacturer of professional nVidia Products: nVidia designs the Silicon, TSMC is producing the Chips and PNY is assembling the PCB's and nVidia stamps it's name on it. Here is the website of PNY Europe for professional applications. If you go to on of the Products you can see that they directly offer product support. www.pny.eu/en/professional/explore-pny
@refraggedbean
@refraggedbean 3 года назад
They also make plenty of good flash storage devices
@LGBKAI
@LGBKAI 4 года назад
hmm makes me wonder what the card would do in an MRI Scanner. Like a Siemens Symphony (1,5T) or Skyra (3T)
@TheObsesedAnimeFreaks
@TheObsesedAnimeFreaks 4 года назад
probably not much except jumping into the scanner and getting lost. the card is probably a bigger threat to the scanner then the scanner is to it.
@bleisenberg
@bleisenberg 4 года назад
@@TheObsesedAnimeFreaks agreed
@protonendichte
@protonendichte 4 года назад
I have a s10 with a normal SD card and went into the magnetom Skyra 3T and Altea 1.5 T by accident (forgot it while storing things in the pocket) and everything is totally fine Its an Sandisc not specialized for magnetic fields...
@ElonMusk-FanZone
@ElonMusk-FanZone 4 года назад
My theory is that there was a misreading because there was some static voltage on the connection "pins" of the micro sd.
@yaddabluh8726
@yaddabluh8726 4 года назад
One of these days you should make a video where you try and separate the magnets.
@brainiac75
@brainiac75 4 года назад
I have thought about it. But the magnets are still useful for me together :) Thanks for watching!
@bullhornzz
@bullhornzz 4 года назад
Didn't he already? I seem to recall some thing with a board with a hole in it, you drop the magnets in, put another board on top with a hole and then slide them sideways using a come-a-long or something? Or am I crazy?
@Jonassoe
@Jonassoe 4 года назад
@@bullhornzz He has done it with smaller magnets in the past.
@arsenic1987
@arsenic1987 3 года назад
@@brainiac75 But HOW.... I have big problems just pulling the magnets in harddrives apart. How the helvede do you do that? :P
@aarongreenfield9038
@aarongreenfield9038 4 года назад
We just knew you were cooking something up, it was in the cards.
@Rugops42
@Rugops42 4 года назад
Turns out his financial records were also on the card, he was trying to cook the books
@Xatra164
@Xatra164 3 года назад
Aaron Greenfield Thats pretty good XD
@antreaskonstantinou8585
@antreaskonstantinou8585 4 года назад
I believe that even the card that doesnt say that its magnet-proof wouldnt be affected. Advertising an sd card as magnetproof is like saying a glass of water is waterproof. What i mean is that a cards behaviour to magnetic fields is constantly the same and that being able to resist magnetic fields is completely normal.
@Petertronic
@Petertronic 4 года назад
Takes me back to when I was a kid in the 80's, testing floppy disk data integrity after putting them near various magnets.
@henryfleischer404
@henryfleischer404 4 года назад
Sounds like an expensive hobby. My dad always made me keep floppy disks very far from any sort of magnets.
@lily_anatia
@lily_anatia 3 года назад
I did the same thing in the 90s, and was very disappointed when even disassembling a 1.44MB floppy and having a tape degausser sit directly against the disk surface didn't flip a single bit.
@drunkendevil
@drunkendevil 4 года назад
I always get excited when I see your videos come up on my feed. Can’t wait to watch it.
@Seegalgalguntijak
@Seegalgalguntijak 4 года назад
Hah, of course this video had to be 13:37 long! :-)
@brainiac75
@brainiac75 4 года назад
I couldn't resist it - though I had to rush the ending a bit :) Thanks for watching!
@Platypus_Warrior
@Platypus_Warrior 4 года назад
He knows all this and never heard of the brand PNY 🤨
@GRBtutorials
@GRBtutorials 4 года назад
Now that I think about it... other of his videos are also 13:37 long... that's 1337!
@johnzanin7665
@johnzanin7665 4 года назад
The Mad Atheist yes I’m seeing this too
@Nulley0
@Nulley0 4 года назад
13:38 on mobile lel
@gqfrisk5727
@gqfrisk5727 4 года назад
Your voice is so calming
@AltarParssoy
@AltarParssoy 3 года назад
actually you should test it with an improvised emp device. although induction cooker is a beast, i'd like to see how they react to a big massive pulse.
@sebas.tian.
@sebas.tian. 4 года назад
finally a good video in the midst of quarantine
@hypergamer1078
@hypergamer1078 4 года назад
Thank you for the effort made for this video . You are awesome!
@inf3321
@inf3321 4 года назад
I have watched you for six years, you are one of the few RU-vidrs I know that focuses only on quality and not quantity, you’re the best 💛⚠️🇩🇰
@brainiac75
@brainiac75 4 года назад
Thank you very much, InfinityPlusOne. This platform tends to reward quantity, but luckily I have a good day job (and generous patrons) to take care of the finances, so I can keep focusing on quality over quantity. Thanks for the continuous support!
@JadeDragon407
@JadeDragon407 3 года назад
Wow, that's cool! I always wonder about stuff like this in claims on products. Good to see this stood up to the challenges vs magnetism that it claimed. I figured for sure those sandwiched 6x2s would have gave it a run for its money. Even if unintentional, it's a good testimonial for PNY.
@Mike20464
@Mike20464 Год назад
Thank you! Not only entertaining, I learned something! I love it when that happens.
@SkyOctopus1
@SkyOctopus1 4 года назад
Good job on testing it, changing and testing, putting it back and testing again. Proper science!
@YonatanAvhar
@YonatanAvhar 4 года назад
How would other storage devices do in these conditions? Of course, a magnetic hard drive would be destroyed, but what about SSDs? Since they have a lot of traces on the PCB
@mihiguy
@mihiguy 4 года назад
In my experience, video and audio players are notorious for changing files (e.g. when the error correction kicks in, the corrected file is stored; or the player keeps some metadata with the last stop position) even when you do not press "Save". You can avoid this by *not* opening the file in the media player after you did the checksum, or (easier) by flipping the write protect switch of the SD card (which will protect against overwriting by the computer, but of cours not against magnets).
@lakeschoolrestorationchann1567
@lakeschoolrestorationchann1567 4 года назад
Awesome, something great to watch before bed. Thanks for the upload 😃
@LubckeEnjoyer
@LubckeEnjoyer 4 года назад
Good job man, Been here since 10k subs. Keep them coming!
@sxybasturd
@sxybasturd 4 года назад
I m suprised that you don't know PNY
@parkerlreed
@parkerlreed 4 года назад
I mean it's not like you should... They're crap. Every single PNY USB drive I have had has been utterly slow and I've had two PNY micro SD read lock themselves due to failure.
@brainiac75
@brainiac75 4 года назад
Sandisk is very dominant on the Danish SD card magnet. PNY is not :) Thanks for watching!
@akyhne
@akyhne 4 года назад
@@brainiac75 PNY has been on the Danish market for many years. edbpriser.dk lists 55 GPU cards alone,from the company.
@akyhne
@akyhne 4 года назад
@@parkerlreed PNY probably doesn't make SD cards. Just like most companies, they buy cards with specific requirements and put their name on it. And most brands that sells SD cards have cheap and expensive models. The more expensive are usually of a better quality. People tends to buy the cheaper ones.
@Cooe.
@Cooe. 4 года назад
@@parkerlreed Your an idiot who doesn't know what he's talking about. PNY makes all sorts of stuff and are as legit a company as they come. They make GPU's that cost more than anything your poor ass owns. If you bought a slow USB drive, that's your fault for not looking at the specs before buying. Not all USB drives/SD cards/etc... are equal, that's why price points can vary so much even within the same brand... -_- Cheap NAND flash products from ANY brand will be slow & potentially unreliable. That's why they are cheap. PNY/SanDisk/etc... all buy their NAND chips from literally the exact same manufacturers.
@saxtremer
@saxtremer 4 года назад
Cosmic rays have probably messed up that poor bit in RAM, I bet. Unfortunately, that's hard to avoid.
@pattheplanter
@pattheplanter 4 года назад
Time to upgrade the Earth's magnetic field.
@jkenny1
@jkenny1 4 года назад
@@pattheplanter Isaac Arthur is on it.
@nathanmead140
@nathanmead140 4 года назад
@Lenny69 シ that doesn't work on laptops only expensive servers
@skeedabapndadm2789
@skeedabapndadm2789 4 месяца назад
I love the brainiac logo not only is it "good" looking it also is the warning thing i don't mean the quotations in a rude way
@Sitarow
@Sitarow 4 года назад
Truly appreciate the OP test 🙏
@-Sean_
@-Sean_ 4 года назад
Last time I was this early, people still knew what 1337 meant
@rodneycaupp5962
@rodneycaupp5962 4 года назад
I'm late..., what does 1337 mean? My first guess is that it's 1:37 in the afternoon.
@brainiac75
@brainiac75 4 года назад
Search for 'leet' which the numbers can be read as. Thanks for watching!
@brainiac75
@brainiac75 4 года назад
Bonus info: This video is 13:37 and 13 frames. leetle x) Thanks for watching!
@izzieb
@izzieb 4 года назад
Apparently, I was right! What do I win? Just kidding.
@brainiac75
@brainiac75 4 года назад
Hehe, all the polls are totally anonymous - even I can't see who voted what, so it's hard to announce winners :D But you just got a heart from me....
@izzieb
@izzieb 4 года назад
@@brainiac75 I got a heart for my original comment about it doing nothing, so I now have two. My ppprrreeeccciiiooouuusss.
@ZenInnovations
@ZenInnovations 4 года назад
Loved the experiments !
@kapteinsuperskoot6986
@kapteinsuperskoot6986 Год назад
I was itching to comment "Just push the up arrow in PowerShell !" and then you pressed the up arrow in the final hash test and I could breathe again... Nice work.
@Landoseixas
@Landoseixas 4 года назад
I'd like to see a normal SD card passing through these tests.
@GQuack
@GQuack 4 года назад
Not first. Also, great video! I don't know what else to say other than I expected nothing to happen to begin with, due to the data not being stored magnetically.
@icghost2
@icghost2 3 года назад
Inspirational, educational - this is what we call the science show! Best ad tie-in, ever. Two opposable ambulatory sensorial appendages up!
@joejoemyo
@joejoemyo 2 года назад
The possibility that you caught a soft bitflip during the checksum calculation on video is incredible
@JonathanGameHD
@JonathanGameHD 4 года назад
8:50 android interface
@rkryukov996
@rkryukov996 4 года назад
Idk this brand, is it...pony? Lol that's my favorite part
@dig1035
@dig1035 4 года назад
Fantastic vid, I wondered! Big thumbs up!
@NGall110
@NGall110 3 года назад
I sure learned something Brainiac75!
@macmanleystudios561
@macmanleystudios561 4 года назад
SD Card goes into a spa Receptionist: Hi what can I do for you today? SD Card: Can I get A *magnetic massage* Nice vid btw very interesting
@Hypno993
@Hypno993 4 года назад
What Happens when you "Cook" your Monster Magnets on the induction plate? Will it blow Up or does the Magnet get hot? 🤔🧐
@Seegalgalguntijak
@Seegalgalguntijak 4 года назад
Above a certain temperature, the magnet loses cohesion and stops being a magnet. So then you have turned your hundreds of dollars worth of a magnet into a heavy lump of metal. You could still use it as a paperwight though.
@brainiac75
@brainiac75 4 года назад
Thanks for the suggestion to a video, where I will test several objects on the induction cooker. Could be interesting to see :)
@Hypno993
@Hypno993 4 года назад
@@Seegalgalguntijak That's my guess too. But don't you think there could possibly be an interference because of the size and strength of this monstrosity of an Magnet which destroys the MOSFET/TRIACs? Normally the heated Material schould be magnetic but no Magnet. Even IF the induction destroys the Magnet - would'nt it be possible to re - magnetify it using the coil with DC voltage instead?
@brainiac75
@brainiac75 4 года назад
@Hypno993 I will not test the induction cooker with my largest magnets. I believe induced heat could be a problem and cause permanent damage. So I will use a smaller, less expensive magnet :)
@pattheplanter
@pattheplanter 4 года назад
@@brainiac75 Neodymium is flammable so I assume you will be very careful in case it shatters and ignites?
@garyha2650
@garyha2650 4 года назад
Thank you, that is great to know
@johnny-james
@johnny-james 4 года назад
Your one of my favorite mad scientists-evil villains. Great video!
@Ergzay
@Ergzay 4 года назад
If I had to guess, Windows changed some metadata in the file and that got modified and that changed your checksum. Next time do this kind of thing on a Linux system.
@firetf
@firetf 4 года назад
Metadata should not change the checksum of a file though, as usually the checksums are only calculated over the actual file content. I don't know how this specific windows hash command works though.
@brainiac75
@brainiac75 4 года назад
I believe the metadata are not accounted for in the checksum - but yes, Windows may be the underlying problem... I have an old Thinkpad with an Ubuntu installation on it from a previous video ;) Thanks for watching!
@firetf
@firetf 4 года назад
@@brainiac75 Honestly I think the most likely scenario is a read error from the SD card. CPUs are usually very stable and don't miscalculate things, unless you overclock / undervolt it above it's limits.
@112BALAGE112
@112BALAGE112 4 года назад
This experiment did not meet the level of scientific rigor usually found on your channel. Especially that hickup with the hash code. Entertaining video none the less.
@chriswertz1661
@chriswertz1661 3 года назад
Interesting video. Thank you.
@Tomytoka
@Tomytoka 4 года назад
thanks to you im starting to love magnets
@rosijirosiji8009
@rosijirosiji8009 3 года назад
Thank you for this work.
@jaythatguyyouknow5135
@jaythatguyyouknow5135 3 года назад
I have used PNY cards for years in several devices (DSLR camera, phone, tablet, security camera, etc) and never had any issues. Thanks for mostly confirming the magnet proof claim
@synthwave7
@synthwave7 2 года назад
Interesting - thanks for this.
@TheLittleCuteThing
@TheLittleCuteThing 3 года назад
just wanna throw this out, PNY has been a computer part manufacturer for ages, they used to offer a lifetime warranty on absolutely everything they sold and I have never had one of their components fail, This video makes me happy to see they still have great products.
@eggstu
@eggstu 4 года назад
I really love your logo, very well done sir
@alexanderh.3655
@alexanderh.3655 Год назад
Regarding powershell; holding shift whilst right-clicking in a folder, allows opening a powershell in that folder... Dragging a file in for it's path is a neat new one I learned today :)
@cjrs96
@cjrs96 4 года назад
Even though I'm an mechatronic engineer and I'm familiar with the effects of magnetic fields and the magnetic flux that the card was exposed to, I'm not an expert in computer science. I do believe though that the inner memory bits could have been corrupted in the card but once you insert it on the PC and windows recognizes it, it goes through a process of restoring the files to their original values. Internet and data transfer protocols use check bytes on their packages to correct any errors and it could be that windows also has some data check and correction bytes along with the files to restore them if corrupted. Check with an expert on PCs if there could be a storage format or file type that doesn't have that corruption restoring option and then do the same experiments. It would be interesting to know the results then 👍🏻
@yiddersshinderbins
@yiddersshinderbins 3 года назад
at 2:29 you change 1 character and my internet died...very impressed :)
@techietive
@techietive 3 года назад
The intro have some super powers..😎
@lladerat
@lladerat 4 года назад
Wish you talked a bit about that single-event upset, that is some really cool phenomenon.
@user-vn7ce5ig1z
@user-vn7ce5ig1z 4 года назад
Good test; this gives peace of mind. As for the one test with the different checksum, USB and/or flash-media are not as reliable as people think, just because Windows doesn't throw an error when reading/writing a flash-drive or memory-card doesn't mean it was perfect, sometimes read or writes fail silently; that's why it's important to always verify files to/from flash-media.
@marianvelez1553
@marianvelez1553 4 года назад
Big fun here! Some notes: the energy you'll need to flip a mosfet on the MLC arrays is really millions of orders of magnitudes smaller than cosmic rays. Those are only able to be matched on earth by particles accelerators, so you might have an idea of the kEv that represents
@reggiep75
@reggiep75 4 года назад
7:04 - 'Error code 0.... Bummer!' I laughed way too much at this but then again, I have been in lockdown for nearly 2 weeks.
@Jadovran
@Jadovran 3 года назад
Very interesting!
@abeismain
@abeismain 4 года назад
Thank you
@legolasnosense5746
@legolasnosense5746 3 года назад
SD cards don’t write in magnetic code. They write in NAND Flash. Used in Flash drives, SSD’s, and, you guessed it, SD cards. They work by having 2 crystals set apart bij a non-conductive layer. (Capacitor) each of these crystals have have up to 4 electrons in them in any configuration so that makes 4x2 bits that can be stored in each capacitor. That’s a Byte. Magnets don’t do anything to this, except a really powerful one that might damage the electronics.
@SundownMarkTwo
@SundownMarkTwo 4 года назад
Did you know that you can press the up arrow inside of Powershell to bring up previously typed commands?
@DiyEcoProjects
@DiyEcoProjects 4 года назад
Wow hmm, very interesting. Thank you
@makeracistsafraidagain
@makeracistsafraidagain 4 года назад
I have the coil from that cooker. It's too pretty to discard but I cannot figure out what to do with it.
@JourneysADRIFT
@JourneysADRIFT 3 года назад
I've always known SD cards are not affected by Magnets, yet I watched and enjoyed every minute of this video. Once accidentally baked an SD card in an oven. SD card was slightly melted but all the data on the card was perfectly fine still. Robust little fucks. PNY isn't a bad brand either. Def waaay worse no brand china clones out there.
@GullibleProKiller1
@GullibleProKiller1 4 года назад
I have an idea for the video, what if you took the giant double neodymium magnet and then see what it does to some household items, and maybe some not household items. Love your channel, I have been always fascinated by magnets and for christmas I'm getting a 1.35x1.35x2.35 inch neodymium magnet.
@andymouse
@andymouse 4 года назад
fascinating stuff !
@johndododoe1411
@johndododoe1411 3 года назад
Please try the FC command to identify the wrong bits by comparing byte-by-byte to the original video file on the computer. preferably with the /B option. As others have pointed out, maybe the flash controller circuit inside the card did something to recover from the issue, although sector duplication is unlikely for a large copied-in file, ECC kicking in and/or successfully recovering from noise in the sector allocation data are more likely. With modern MLC flash technology, a card written to only 1/3 of its apparent capacity may have stored its data in a more robust SLC format, with the controller converting previously filled sectors to MLC format as the card fills up (this is also one of the few ways a singly-written video file copy might have a second copy of its sectors).
@GRBtutorials
@GRBtutorials 4 года назад
Interesting result. I expected the induction cooker to have more of an effect, but I guess the small amount of metal in the card doesn't get enough Eddy currents to heat it up considerably. Maybe because I thought it was going to be one of those induction heaters that quickly bring metal red hot.
@pattheplanter
@pattheplanter 4 года назад
My first thought was an induction furnace. That would have been impressive.
@wdavem
@wdavem 4 года назад
Very interesting. I wonder how much the latest LTO tape can take, or any LTO for that matter. I know analog video tape can be harder to erase then one might think. Of course the audio/time code tracks (linear) will go first, then the control track. But the video seems to take much more to erase it. It's possible without super strong magnets like you have but you really have to beat the signal out of it for a while. I haven't tried neodymium yet but I have access to many formats so I should try it.
@samsonmbbanda6564
@samsonmbbanda6564 2 года назад
What will happen if the video file hash on that sdcard has changed value then you try to recover the original file value without spinning it in magnet again?
@shaakunthala
@shaakunthala 2 года назад
About that large video file: What was the video encoder? Was it a compressed video? Did you try with a video format which has high compression ratio?
@tonytor5346
@tonytor5346 2 года назад
Excellent!
@burningglory2373
@burningglory2373 3 года назад
PNY is fairly well know. They may also be using software tricks to help keep the integrity of the file such as SMART, with detects degrated blocks of data and guesses what they were and stores them somewhere else. That could change the hash signature but keep the integrity making it somewhat resilient to permanent magnets.
@TheRouteShow
@TheRouteShow 4 года назад
Please make a video on ionic air cleaner. Does it really work?
@Voreoptera
@Voreoptera 4 года назад
Well done on all the work involved. I would of been surprised that there would of been any change by a magnet. Do not know why you had a wrong check sum. Does this make SD cards EMP proof?
@doubledarefan
@doubledarefan 4 года назад
0:48 I call it Pony. I have a PNY 64gb card, and I named it Pony. Then my GoPro said it needed to be reformatted, and that left it nameless. In case you're wondering, yes, you can name your drives. Look up "How to name a drive?".
@_c_e_
@_c_e_ 4 года назад
Awesome testing and card! What filesystem type was the card formatted to?
@rubixtheslime
@rubixtheslime Год назад
I would assume NTFS
@aaaaa1957
@aaaaa1957 2 года назад
I don’t know much about magnets but I bought 2 magnets at a sport show over 25 years ago that the salesman side were 100lb magnets. I stuck them the side of a big safe and haven’t been able to ever get them off. I tried sliding them to the edge just to get a nasty bite. I used a 2x4 trying to slide them off still a no go. They are stacked one on the other and are a few inches round. Is there an easy way to dislodge them and possibly separate them? Did stacking them make them into a 200 pound magnet? Thanks for sharing this video
@shmehfleh3115
@shmehfleh3115 8 месяцев назад
Don't forget SD cards have on-board error checking and correcting. One of the big advantages of flash storage in general is its ability to correct single-bit and multi-bit errors without any intervention from the host computer.
@firetf
@firetf 4 года назад
I believe SanDisk doesn't write magnet proof on their cards, because the memory typically used is not affected by magnets, and there is not really a reason to think that magnets would do anything to the memory except for the common association with hard drives. But from a technical point of view, they're supposed to be pretty magnet proof. Although one could indeed think of side effects like inducing so much current into the internal wiring that you physically break it or something similar.
@alphamegaman8847
@alphamegaman8847 2 года назад
@ 11:10 on, he can add Monster Magnet "Fluffer" to his considerable list of talents!😁🤭
@brewHamm
@brewHamm 4 года назад
the legend returns
@user-it5wu5iv1w
@user-it5wu5iv1w 4 года назад
Amazing video as always! We may not be quarantined here in Sweden, but the general mood is uneasy and very stressful, so a video from one of my favourite youtubers definitely helped cheer me up ♡
@JohnnieHougaardNielsen
@JohnnieHougaardNielsen 4 года назад
I'm wondering if the AC nature of the induction cooker magnetic field throws off the tesla meter. Assuming that the measurement takes a bit of time could mean that the reversal cancels out much of the reading in progress.
Далее
Many Moving Magnets Melting Metal
20:21
Просмотров 2,9 млн
Monolith Magnets | Twice the Power?
13:53
Просмотров 1,4 млн
БЕСКОНЕЧНАЯ ВОДА . ФОКУС
00:34
Просмотров 152 тыс.
Crazy difference between 5W LASER and 5W LED!
11:56
Просмотров 857 тыс.
Monster magnet meets laptop... | SSD and HDD tested!
10:21
Monster magnet meets plasma ball...
12:09
Просмотров 2 млн
Monster magnet meets servers...
13:38
Просмотров 1 млн
Monster magnet meets monitors...
14:11
Просмотров 516 тыс.
Vertical? The Earth's Magnetic Field?!?!
11:29
Просмотров 433 тыс.
MAGNETIC HOURGLASS | Time changed by magnet?
10:07
Просмотров 911 тыс.
Is 3D Printing a motor possible? (Experiment)
10:21
Просмотров 1,2 млн
Ноутбук без экрана
0:22
Просмотров 15 тыс.