Radium - The MOST RADIOACTIVE Metal ON EARTH! 

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"Dont try this experiment" Me- sadly keeping my box full of Radium back on the shelf😔

He actually said Marie sklodowska Curie. I love him already.

Stop complaining about his accent and just enable the captions. He has an accent. So what? That means he speaks more than one language. Keep it up thoisoi! I really love your channel. As a Chemistry student your videos get me excited and motivated 💜

Radium is the most radioactive metal Polonium and Plutonium: Hold my atoms

30 years ago I had a radium dial watch that had been made into a broach. It was extremely radioactive. I had to keep it in a lead box. I exposed film in a light proof envelope for less than a second to the face of the watch. After development you could read the numbers and the position of the hands. Exposures longer than one second turned the negative completely black.

Her full name was Maria Skłodowska Curie. She was born and rised in Poland. Don't forget about it.. She has also discovered Polon element

Thank for saying ‘Skłodowska’ as her name. People assume she was French because no one says it. She was Polish of course

I remember as middle school student, we were shown a movie in class about mc and her husband and at the end the narrator talk about how their home was still radioactive, from the doorknobs to just about everything they'd touched. The sacrifices they had made in the name of science.

To get two noble prizes, as a woman, in that day and age, with no political correctness, and feminism seen as a real enemy by many, is a phenomenal achievement. She should be an inspiration to women everywhere, not the screaming Misandrists we have today.

FANTASTIC video! Your production quality is outstanding and extremely informative. Thank you for producing quality content!

Talking about radioactive elements we had an accident (level 5 at International Nuclear Event Scale) that happened here in Brazil about 32 years ago. A man found a sealed capsule on an abandoned hospital and took it to his house, after opening it to sell the lead, he found a pretty nice glowing blue substance inside of it and took it to his home. He gave some it to his neighbors, some friends and to some people from his family (including his brother's daughter that ate some of it with eggs accidentally) Some people played with it, giving it to even more people. After some hours in contact with the Caesium the whole family begun to feel sick having all sort of problems caused by the radiation, they didn't knew what could be happening but his wife thought it could be happening because of the weird glowing substance that he found. So, after some time they took the unknown substance to a health surveillance center to ask if it could be the cause of their problems, 'cause everything started after her husband open that sealed capsule. When the technician used his Geiger counter he thought that it was broken because the measure was too high, he borrowed another equipment to measure it again cause he couldn't believe at what he was seeing. To make everything even worse, the government kept everything in secret telling to people it was a gas leakage... Approximately 1000 people were affected by the disaster, the dead people had to be berried on sealed lead coffins and then covered with concrete. It happened at the city of Goiânia-GO at 13th September 1987, the case is known by "O acidente - Césio 137". I don't know if it is interesting to be shown on one of your videos but I think that it could be used as a warning to the people. Consider talking about it when you have the opportunity to show us something about this element.

Thank you. I really enjoy your videos. I enjoyed chemistry at school back in the eighties but wanted to take the mechanical engineering route. The school wouldn't let me study both physics and chemistry. Thanks again. Worth every moment watching.

Marie Sklodowska Curie, the most badass woman ever

Yes!!! We love your voice! Thank you for making videos you teach me a lot! And you are one of 2 major youtubers that got me into chemistry!

If you're done with all the Elements, are you going to make videos about molecules? That would be awesome, and you basically couldn't run out of those, especially the organic ones ;)

I am litterally in love with his English😆😅😉

You forgot to mention she was a Polish scientist and her name was Maria Sklodowska-Curie. She had a French husband but she was not French at all. Pierre was more helping in her work but she was a motor of all the discoveries. Polonium was called after Poland She was also one of the first women in Europe with a driving licence which at that time was quite bold if not scandalous.

Really loved the quality of the video, you don't find such great content elsewhere on youtube, you really give your best on doing the research, you really love chemistry, thanks for these videos bro ✌

Lol “Marie Curie” sounds like mercury

Here I am holding my mouth gasping at how much radium used to be ingested back then. Wow.png

thx.. another great and highly informative video that put awarding focus on an old school pioneer in the radioactive field..Cheers from Denmark.

I have a few radium clocks and watches myself, one of them still glows faintly!

I can’t think about this element without thinking about the Radium girls.

Radium is one of my favourite elements

Every one of your videos has taught me at least one thing I didn't know. Thank you for this channel!

This was a really enjoyable video, thank you.

Surprised as we had switch buttons in our home that would glow all the time in the dark don't know whether they contained radium or not, our home was probably built 50 years back

“Pointing brushes with their lips caused a huge scandal.” Yeah, that’s one way of putting it. The truth is far more tragic and macabre.

I have quite a few Radium containing devices in my radioactive collection. I have a Radium kit, too. One of the vials still contains some Radium + Zinc Sulfide. I am very careful, especially with Radium. I keep them sealed and shielded. I've been collecting stuff like this for years. As long as you're careful, you'll be fine. *Always* have a sensitive Geiger-Müller counter! Remember, the Curies worked with _milligrams_ to _grams_ of freshly prepared Radium compounds! _Millicuries_ to _curies_ in specific activity! 1 gram = 1 curie (37 GBq). 1 milligram = 1 millicurie (37 MBq). 1 microgram = 1 microcurie (37 kBq), etc. 1 Bq (becquerel) = 1 decay/second. Most products still around and available contain _only_ a few hundred nanograms to a few micrograms. Wow, did the Curies work with high activities back then!

People always ask how metals are formed. It is all time. Time gets trapped into what are called surfaces. When you take a hydrogen atom the electrons are all in a single time. The protons and neutrons and nucleus is are in a different time zone. Similarly metals are in a different time zone. When they switch time zone they radiate light.

I wonder what things are currently considered safe, but will be deemed extremely dangerous in the future.

As always, this is a great video. Great pictures and great information. Please keep up the awesome work!

“It is required that when narrating a video on radioactivity the narrator MUST do so in a Russian accent.” - ISO9000 handbook

Wow dude, I'm not even a science guy but damn your videos are awesome. I would 100% attend your classes :) Subbed

i am pretty sure that Actinium is more radioactive with a half life of 21 years (most stable isotope) and superheavies which only have a half life of a few minutes at best

Well done video. Best yet I think of the series.

-"Natasha, sweet heart, let's get even with that moose and that squirrel"

I love this Gentleman's Voice. I'm Aussie. Hello from Australia.

Martyr of science and patron saint of researchers, may you rest in peace. THAT'S A ROLE MODEL.

Just wanted to let you know, that was the coolest thing I ever saw, when you used ethanol to show the alpha particles coming out of thorium/tungsten welding rods. I was blown away! that was so cool....🤯 and this radium, I know this was used in airplane instrumentation, as a way of Illuminating the gauges in the airplane, while flying in the Darkness. There was even a device made to x-ray your feet, so that they could fit you with proper shoes. You looked through this lens while standing on this machine, and it showed a green glowing x-ray of your bone structure. It wasn't until many people contracted cancer, that they realized what was causing it. I recently watched someone restore one, and I'm very curious to know how the bulb assembly was only radioactive when it was powered up. If you could check out my other comment, I'm really curious as to how that works. I've already learned so much from this channel, it's fantastic. Thank you🤯

I made Jello today that's about all the chemistry my brain will allow. lol

Greatings from Poland! I love your chanell

Great video. Madam Curie said that Radium was 1,000,000 times more radioactive than Uranium, still she handled it without proper precautions.... Why would anyone do that???

Great movie. The story of radium craze that took place is a warning to be careful with scientists' novelties.

How do you earn profit after buying such expensive metals ? Are you professor or researcher in some organisation ?

Curie living up in her 60s is pretty impressive, amazing she lived that long after being exposed to that radiation for yrs. Even if she wasn't exposed to it living at that age Unger normal circumstances is impressive. There were not medical marvels of treatment or knowledge of to do or not to do for your health obviously since they were putting that stuff in everything. Pretty much a guessing game of what is or is not good for you. People back then we're playing Russian roulette with their health and lives, and the average person living up to their 60s was an achievement. But thanks to these people who did these things, taking unknown medicine and risks, we now know what not to do. You can say they sacrificed themselves for future generations and not even knowing that they did. We should thank them and say a prayer for these people. I guess that's why always respect the people who go and be a test subject for new medicines and not knowing if it will kill them or not for the sake of others.

Thank you so much for this video. Grettings from Poland!

These people refined the Nulcear weapon before it was even an idea.... Genius .

The Fallout video game series parodies Radium's poorly judged and ubiquitous use in products like Nuka-Cola.

Keep them coming. These videos are very informative and entertaining. Thank you.

Although I'm getting difficulty to understand--still worthy content. ✌💡

Mike Francis here. (I'm borrowing my friend's phone, LOL).You are my number one go-to guy, for anything Radioactive that I need to know about..... you are arguably, one of the smartest people when it comes to this subject, by far. Anyway, I was wondering if you could do me a favor. About 12 years ago, I was playing with an old smoke detector. Well, needless to say, I put a whole lot of amperage into that thing, via a R/C car battery (7.2vdc@3000ma), trying to blow it up, purposely. It wasn't until playing with it for over an hour, and probably irraidiating myself with a healthy dose of radiation, that I used my tingling hands to flip it over, and to my surprise, it contained americum 241! That is one element I know next to nothing about. It would be wonderful, if you did a video on this, or explain to me the history on this Radioactive element. Also, understanding how applying voltage to the device would create radiation, or enhance the output of radioactive particles from said element. So, thank you my friend, and keep up the excellent work. 😁👍

I do believe that Pierrre Curie was affected by the radiations. This explain he was distracted and at last crashed by the horse car. Kisses for your beloved cat !

That glow is kind of addictive to me...

Make a video about Radon

the mother of my mother was treated with radium needles after getting a cancer from the inside feminine parts caused by an Ypérite attack in the 1914-1918 war.She was framed in her kitchen when 2 cans of poison gaz (chlore) exploded near her. As a kid, I know there was still Radium needles standing in the cupboard, in the kitchen. I'm still glowing !. )=| )}=|

Physicist and detector builder here. Actually ZnS:Ag lights up blue. When ZnS is doped with copper instead, it's green and has a longer persistence (and was used in all those green screen CRTs at first). A small warning to collectors of old stuff - radioactive glow paint was used up through WWII on lots of stuff and can be pretty "hot" long after it no longer glows. This is because high energy alpha particles from nuclear decay on the order of mega-electron volts easily decompose the phosphor - ZnS being one example - the chemical bond strength is a single digit number of eV. They're still radioactive, though! My dad had a watch that would set off the safety detectors in nuclear plants from feet away! So, don't be a "Radium girl" and lick the stuff or powder it up and breathe it. You'll be OK otherwise. en.wikipedia.org/wiki/Radium_Girls

66 years old is not that bad given her times on critical radiation. Rest in peace. Thanks for your discovery.

So, next is polonium?

Good thing someone made captions

2:13 I cupped my screen with my hand to get the LED in the dark. Et tu?

Thanks for a very informative video. Knowledge gained is often at the expense of someone's life and health.

Rip To those women who painted those watch hands.

Watched many of your video's, very informative, and interesting

"Mom where do we keep the radium"

Thank you for the time you invested in making this video. thank you again.

There is Radium in my local tap water

Very cool video!! I suggest you to make other videos about great scientist like this one. Great job

Make video of hydrocarbons experiment

Sometimes, pioneers pay the ultimate price for their discovery.

Lol there were 226 likes when I clicked on the video. That is the mass number of Radium's most stable isotope. What a coincidence lol can we get 226 likes on this comment as well xD

Amazing how radium was put into watches up until the 50s.

>drinking Radium water

that was an utter enjoyment. thanks for that history and chemistry lesson.

Kim Jong Un:Looks like I found my crush😁😁

I have been watching your vids. They are great. Awesome accent too.. Makes it even more interesting. Great to talk about M Curie too An amazing person she was. Thankyou so much !!

haha imagine radioactive toothpaste... why not ;D it remembers me of the old egypt people which used poisonous lead in their makeup

These videos are getting really good! keep up the good work! :)

Thank You I enjoyed that very much. BTW what is your cats's name?

I enjoy all your videos, but this is the best one yet. I really like that you told us about the people that discovered it. Thanks for sharing.

I'm exhausted trying to understand you sir, im sorry!!

Watching this as my radium alarm clock ticks happily away in the corner

Really wish this video was narrated in English. Moving on.

I remember they used to put this in food back then (in the US) even advertised them.

Can we use this in a nuclear Rector instead of uranium

This was excellent 👏. Honestly I'd LOVE to hear more about the devices they created to measure all this.

1:33 Tom Cruise?

What's funny is that I heard some people thought radiation was good for you until somebody's jaw fell off

What does he saying?

LOL: I had to try the same as at 2:10 in this video (LED and a piezo disc). And it works :) Never tried that before in my 40 years in electronics :) Thanks for the tip !

Who clicked this video because of chernobyl series?

Great documentary on their contributions to science!

Your videos are awesome. But you need to enhance your accent. The content of your videos are great, but I always have a hard time to understand half of what you say 😣

"Comrade Natasha, don't touch the radio, let that moose touch it..."

ATLEAST THEY DIDNT MAKE RADIUM CONDOMS...😂😂IN THAT CASE OFFSPRINGS WILL HAVE A ILLUMINATING SKIN 😂😂🤔🤔

Marie Curie was from poland and in Poland Her name is spelled "Maria Curie" she discovered that there are radioactive materials on earth she also discovered radiation kills cancer she discovered x-ray as well In her life she only discovered that plutonium and "rad" are radioactive

Łiśićą!

There's a physical testament this video provides the witness of how strong the human body was in their day astonishing absolutely astonishing

I wish some feminists moviment would take Marie as an exemple to folow... she really was a hell of a woman :D