Space Elevators Are Getting Closer to Reality

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Theories on how to build a space elevator have been around for decades. Scientists say not only would such technology change humanity, but that we could have built one by now.
#Space #Science #Technology
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1 июн 2024

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Комментарии : 502

@ThekZnation Год назад

Let's see if we're capable of building a carbon nanotube cable that's 10m long, before thinking about one that's 35700km long.

@adamdin6243 Год назад

Lol bump

@StevenHuangCA Год назад

Yup. Very poorly researched video. Disappointed

@GL-iv4rw Год назад

omg I don't think we can make a meter lol

@mokiloke Год назад

Exactly

@mokiloke Год назад

@@StevenHuangCA Think the guy is just trying to attract funding by sell the dream. One day it should happen, once crazy hurdles are overcome.

@dumpstershockey2746 Год назад

You’d need a lot of small talk in the space elevator.

@gregorysagegreene Год назад

The '60 mile high' club.

@tbone5040 6 месяцев назад

You wouldnt hear it over the sound of my constant shrieking.

@chrism.1131 3 месяца назад

Just take a pill

@kagethemage7256 Год назад

The problem is that nanotubes can’t be made hundreds of kilometers long with current technologies. So it’s sort of a moot point.

@dankhalifa6937 Год назад

everything will has its time dont worry my friend..we just began to truly evolve, i cant imagine what will be after 100, 200, 1000years, we got first plane 120years ago, and got to the moon 50years ago, im afraid i wount be able to see the truly impresive inventions. if first plane-moon is only separated by 70years? its crazy to think

@blackkissi Год назад

I read your comment, and the latter sentence in the voice of Joey Tribiani: - "It's a moo point. It's like a cow's opinion, you know, it just doesn't matter. It's "moo""

@khenricx Год назад

Also last estimations of tensile strengh make it look very very hard t o make a space elevator even with the purest nanotube cables.

@dankhalifa6937 Год назад

@@khenricx they will figure out something like they always do

@SemiDad Год назад

Everything changes when we develop dark matter receptors and dark energy focal points. Creating points of gravity that draw you towards that point.

@td13414 Год назад

First two questions you need to ask someone when they think they have space elevators figured out: 1. How do you make sure it doesnt break? 2. What do you do when it breaks anyways?

@offwhitemke Год назад

We’ve been building pipelines, bridges and super tall buildings for decades and have not had a single problem with stability. A cable that is light enough and strong enough should be easy. 🤓😉 But seriously, I’d rather have resources mined from the asteroid belt processes and used in space. Most of it can stay up there and some could be brought down with reusable heat shields and parachutes. We are much closer to processing raw materials in space than creating a space elevator.

@thecasterkid Год назад

What are you worried about? A nanotube ribbon falling to earth?

@ahabkapitany Год назад

@@thecasterkid and everyone who's on it dying.

@ahabkapitany Год назад

@@offwhitemke do bridges also get bombarded by space debris flying 10 times the speed of a bullet?

@thecasterkid Год назад

@@ahabkapitany You could buy chutes on it. And people can die in airplane crashes and still fly constantly.

@tubanbodyslammer9125 Год назад

I dont think we are nearly as close as this video suggests

@IbnBahtuta Год назад

"...we could have made it ten years ago..." is a bare faced lie. No, we couldn't, and he knows it. Fire whoever does your due diligence, or even better, do it yourself.

@Nah_nope_not_really Год назад

Your listening comprehension is quite poor, as he said "started building it ten years ago". Hence, he does _NOT_ indicate when it would be operational or even at what state it would be at now... All he implied is that the foundations and groundwork could have already been set in motion. Bear in mind that most if not all space related projects take years if not decades to complete, so by all means and purposes he _is_ technically correct. Next time don't rush to judge others.

@dsdy1205 Год назад

@Nope, you're incorrect You're talking about starting work on a project where the main building material does not yet exist in meaningful quantities, and hoping it will become available by the time you require it. I don't know if you've been a part of many engineering projects, but that's not how you get the project greenlit.

@Nah_nope_not_really Год назад

@@dsdy1205 I have not, but I know that e.g. the Apollo program was conceived a full decade before any missions and even though the JWST has only just recently been launched, we already have a concept for the _LUVOIR_ High Definition Space Telescope to be launched in 2039. Space projects take a loooooong time.

@TempleGuitars Год назад

@@Nah_nope_not_really "the Apollo program was conceived a full decade before any missions " They didn't make the Apollo spacecraft out of materials that don't exist.

@Nah_nope_not_really Год назад

@@TempleGuitars "No flying machine will ever fly from New York to Paris… [because] no known motor can run at the requisite speed for four days without stopping." - Orville Wright The Apollo program overcame many other technological challenges and I bet many in 1960 argued against it because they considered it impossible.

@your20downrange Год назад

I'm still waiting to hear how they intend to deal with the charge differentiation between the surface and the tethered station.

@coreyfreeman6226 Год назад

Best spot would be at the equator, preferbly a place with not too many earthquakes like the west coast of Africa. or French Guiana and Suriname. The elevator and counterweight would use conductive material for the cable, shielding, grounding And probably an active charge management system to neutralize the charge on the cable and other components. We can also look into diamagnetic levitation of the elevator to reduce strain on the whole structure. We need stronger material development so all weights and movement of the elevator are supported. Nothing is impossible as long as you don't break the laws of physics. We'll get there...My 2 Cents

@user-mp3eh1vb9w Год назад

Isn't it still orbiting earth's gravity?

@geoffgunn9673 6 месяцев назад

@@coreyfreeman6226 It has to be the equator, it won't work anywhere else

@hisdarkestfear Год назад

This video is the equivalent to someone telling you a party is an hour earlier than it is because they assume you'll be late.

@kaistrandskov Год назад

There is an annual space elevator conference that started over 10 years ago.

@joergkalisch7749 Год назад

Run by the flat earthers 🤓🤦‍♂️

@deanmason5827 Год назад

And where do they hold these conferences, oh ya at the top of the space elevator.

@kaistrandskov Год назад

@@deanmason5827 at the major tech companies.

@DavoY2K Год назад

You must also consider another variable. A very important one. With the elevator cable you are actually making a short from one side of an immense capacitor/battery to the other. Have you ever seen lightning? Yeah, just like that.

@joergkalisch7749 Год назад

😂. Longest lightning arrester gets pulverized

@ranchan1111 Год назад

I think this is one of the simplest problems to solve. The cable wouldn't and shouldn't be a single piece of cable. It will be segmented and you'd just use insulating connectors.

@DavoY2K Год назад

@@ranchan1111 I doubt that very seriously given the energy involed. Have you ever seen a lightning bolt? You're not going to stop that. LOL.

@geoffgunn9673 6 месяцев назад

@@DavoY2K Maybe harness the energy to power the elevator??

@known3617 4 месяца назад

Skyhooks are what humans will end up making. They’re cheaper, far easier to make without resorting to carbon nanotubes as the only suitable material, and not to mention far, FAR safer. A earth grounded space elevator poses to many different problems with safety. There are far to many unknown elements such as microscopic space debris trajectory and environmental disturbances on a grounded tether. Unless an entire earth based space elevator was covered in a force field from sea level to geostationary orbit they simply cannot work. Regardless how much tensile strength your fancy carbon nanotubes can withstand its helpless against being struck but a 2mm pebble flying at 40,000mph.

@RossEnzo Год назад

How dumb do you think we are ?

@petemulhearn7787 Год назад

Nice theory and one of Arthur C Clark's favourites too but the survivability is questionable, not just from collisions with Space junk but weather events could be problematic and it would also be vulnerable to terrorist attacks.

@TempleGuitars Год назад

If only we could build it out of used toner cartridges. We'd have thousands of them!

@bornkinggamer3347 Год назад

I'm not sure about the last one, even if you crashed a jet into it wouldn't it just slice through like a hot knife through butter?

@Revelation6_7-8 6 месяцев назад

Flat earth terrorists?

@petemulhearn7787 6 месяцев назад

🤣@@Revelation6_7-8

@mrspirus5735 Год назад

1:36 Millions per pound to the moon??? Not true. I don't know what this guy thinks we use to go to the moon. It is 40 thousand per pound to the moon with the SLS and it will soon be around $225 per pound with the starship assuming it needs 4 other starship launches to refuel it to go to the moon.

@yaad2226 Год назад

YO MAMA COST EVEN MORE TO SHIP

@williamrobinson4265 Год назад

225 is so cheap thats crazy

@mrspirus5735 Год назад

@@yaad2226 Bruh 💀

@Rob-sf4xy Год назад

I think it seems more practical to build a space elevator on the moon or mars. Low atmosphere gravity and whatnot Edit: i also dont see how the rocket could escape with the rope it would be way to heavy

@yaad2226 Год назад

YO MAMA GOING TO MOON AND MAR ?

@0endofsilence Год назад

I pictured rope stationed on earth with a rocket sorta pulling just one end upwards

@yaad2226 Год назад

@@0endofsilence YO MAMA WILL BE THAT ROCKET?

@clover6480 Год назад

moon has no rotation, but mars would be quite possible

@karlkastor Год назад

On the moon, it might be easier to just build an electromagnetic mass driver that shoots payloads away from the moon. And then you would have a tiny rocket motor that corrects the orbit a bit.

@SoCalFreelance Год назад

Show us a sample of the ribbon under load....🧐

@seven0987654 Год назад

"Scientists say", what scientists? The one guy who says we could have started 10 years ago based on an idea in his head with no actual headway made? Clickbait title for a misleading video. Space elevators would be rad, but they need A LOT of things to come together before we can start on them.

@stevenryan9705 Год назад

I just want to call out something nobody has mentioned. The elevator, once in orbit and simultaneously anchored to the Earth, would be "spinning" with the earth. As you get higher in elevation, the speed the elevator has to travel a longer distance compared to the "base" of the elevator. Assuming we figure out the engineering of just keeping the thing from breaking apart from the tension or failing due to heat from friction (no small feat), there is almost nothing that can be done about the unbelievably loud noise that would be generated from the elevator literally cutting through the atmosphere. Also there needs to be studies done on the effects a long antenna sticking up out of the earth, and how it effects our electromagnetic shield that earth uses to deflect harmful radiation from our Sun.

@timothymartin1472 Год назад

How would it be cutting through the atmosphere when the atmosphere itself is moving?

@lavkmr1 8 месяцев назад

Yes atmosphere moves with earth

@Kragatar 10 месяцев назад

I think they're making it harder than it needs to be. Just use steel cable. Step 1: Get a satellite in geostationary orbit. Step 2: Rocket spools of steel wire up to it until it has the 35700km worth it needs to reach earth. Fasten each new spool to the last to make one long wire. Step 3: Unroll the completed wire down to earth. Step 4: Use "spider" robots to run new wire threads up to the satellite until you've created a massive steel cable under centrifugal tension. Step 5: Build the space elevator using the cable as your foundation.

@user-dt7vt3cm2b 6 месяцев назад

Steel won’t be able to withstand all the tension, especially with this length, it won’t fall on earth, it will just break apart… and with carbon nanotubes, well they sort of can withstand that, but how about making a 20 meter one first and then think about 35700 km

@bluesunproductions9079 Год назад

This guy is living in la la land if he think this will cost $82b dollars.

@techcafe0 Год назад

you're mistaken. the 'space elevator' is estimated to cost about 8 Billion; 10x less than the 82.5 Billion spent on the global space program in 2020.

@SevenRedSunsOfficial Год назад

the physics behind this are more bogus than your minecraft girlfriend.

@gregorysagegreene Год назад

We have one already ... Starship. 'Die Hard 2050': Oops, Hans!

@adamdymke8004 Год назад

Quick question. If the cable needs to be that strong to support it's own weight, then it is also under incredible tension. If the ribbon of a cable fibre is damaged by a micrometeorite, what prevents it from explosively failing an damaging the surrounding cable. Do they plan of braiding it or something to prevent a cascading structural failure?

@kanlu5199 Год назад

Use the anti-gravity generator.

@mokiloke Год назад

There is the other option that could be built now. Non geostationary, the hanging cable method. It could give us the experience we need to move forward

@aajmgopher Год назад

Are you referring to a skyhook?

@detlefgrimm2178 Год назад

May want to consider drag and the fuel it would cost to stay in orbit

@A31415 Год назад

Physics of non-geostationary don’t work. LEO orbit moves around the planet very quickly. You can’t hold it in one place. Which also means any LEO junk will eventually hit the tether at some high speed.

@mokiloke Год назад

@@A31415 Its actually on the board this plan, and may be built before earth bound. You are right though, its a non geostationary comes with its own set of problems, i think the plan might have had a lagrange point non geostationary satellite, with one end in a higher earth orbit and the other end running out to a large counter weight. It does sound unstable but ill try find where it was. The beauty was that it could be built right now with current materials

@charharn7011 5 дней назад

There is no doubt that an elevator could change all of mankind as it would open the door to space travel and unlimited energy.

@MrJmd116 4 дня назад

For safety from collision they should use 3 ribbons connected to payload in a triangle shape

@AlexFoster2291 Год назад

Even if you lifted a spaceship on the space elevator, if you want to get to the moon or Mars you still have to accelerate past escape velocity. There also aren't carbon nanotubes longer than a few millimeters, so....

@joergkalisch7749 Год назад

Gotta start somewhere 🙃

@AlexFoster2291 Год назад

@@joergkalisch7749 it's like trying to get from New York to London by climbing a tree

@franciscovarela7127 Год назад

Yup, it’ll be ready to take stuff to near Earth orbit about the same time as commercial fusion power.

@SelectCircle Год назад

Which is never. 😆

@GrandoBorbon Год назад

hes so optimistic its almost delusional

@yushion5804 Год назад

After watching the wandering earth 2, I just want my son can see the real one.

@donaldekhoff7999 4 месяца назад

Even if a ribbon could handle the tensile loading, I find it highly improbable that weather could be managed. Ribbons under tension flutter and resonate viciously like the Tacoma Narrows bridge wind induced failure. With no restraint and huge sail area, the instability would be terminal under the best of conditions.

@applelord4746 11 месяцев назад

Elevator wait times would be out of this world 💀

@lawrencefrost9063 Год назад

You should search "foundation space elevator crash scene" after watching this video.

@TheAstronomyDude Год назад

You posted this last year too. And the year before.

@chrishajduk84 Год назад

"There's no reason why we couldn't have done it already". LOL I can think of like 10. Also $8B is a laughable estimate.

@tbone5040 6 месяцев назад

I was kind of hoping that before we work on this,we come up with a longer,more flexible and all around less sucky shop vac hose. But I guess I'm just a dreamer with my head in the clouds.

@danielenogueira522 Месяц назад

If its's possible, I think that a precaution to reduce the risk of damages in cable is a cicle magnetic energy area around the cable. A repelent energy had been could move away any spacial material aiming protect tha cable.

@Paul-kd3ui 10 месяцев назад

The force of the earth rotation,wind force at DIFFERENT altitudes, gravity fluctuations moon tides, total weight

@ccdccd8615 Год назад

I think the first test of concept should be one for the moon, then perhaps Mars. Both would be FAR easier than building one for earth.

@thecyanadon Год назад

There is a few *small* issues they missed. Wind, planes, debris, natural disasters, and also Earths rotation.

@scottdoesntmatter4409 Год назад

Gee, wouldn't it make more sense to start addressing the problem of space junk, since it would wipe out any space elevator attempt we make?

@malachaiuys711 Год назад

Wind speeds can reach up to 155 miles per hour in some layer, you're saying that a ribbon will constantly be able to survive this?

@remo1wodmnetwork9605 Год назад

So if you built it, how would you get anything up or down it with it getting fried? The atmosphere is charged with electricity. Ordinary radio towers have to be grounded. This thing would be constantly getting struck by lightning and drawing huge static electricity from dragging along the upper atmosphere; there'd be no way to insulate everything from it.

@komolkovathana8568 2 месяца назад

No matter how light the Cable/Tether Bundle.. believe or not,..the Counter Weight/ Station in scale of 1,xxx tonnes...is way MINOR than Cable, itself (300,000 tonnes).

@Matthewcryan Год назад

A more accurate title: Are Space Elevators Getting Closer to Reality?

@UltimateEntity Год назад

Here we go giving them flat earthers existential crisis 😎😎😎

@jaredhill8721 Год назад

A space elevator needs to be built on the moon before Earth. All of the technology needs to mature first. The cable falling from space is really a tremendous hazard if the cable snaps.

@alfredshort3 7 месяцев назад

If a space elevator gets created it will require an understanding of gravity and how to manipulate it.

@pyrogotz5076 Год назад

Ah yes I remember sketching up a design for one in highschool lol

@ericwelsh4853 Год назад

There's too much space debris orbiting Earth. It would just be a matter of time until something severed the tether.

@andreavaleri0 Год назад

It reminds me a thriller book written by Schätzing, I think it is called "limit"

@pjacobsen1000 Год назад

This video is a shortened version of another video that Bloomberg posted 11 months ago. I thought the whole thing looked very familiar. But what is it? Two guys who are proponents of space elevators, they believe in it, it's their thing, and they talk about how "it's possible now". Well, let's see. I'm skeptical.

@scottwolf8633 Год назад

I remember reading about alternating superatomic lattices of Graphene/Platinum where the permanent Magnetic Field strength is on the order of 200-400 Teslas. One could ride the Earth's Magnetic Field from the ground to orbit without the requirement of any permanent structure.

@RH4DZK1LL4H 8 месяцев назад

theres no military applications with just making carbon cables and elevators. there's a lot of military applications creating rocket engines for space and missiles

@SomeKrieger Год назад

Only a matter of time before a couple of hyper advanced drones try uploading their blue prints across the world

@ryccoh Год назад

Once you get to in space mining and construction it seems mostly unnecessary to do the elevator. The starship can bring a few hundred plus people into orbit for under a million

@jamessimonse843 Год назад

Railroad breaks anywhere: Get it fixed Space cable breaks anywhere: . . . . Time to build and launch a new space elevator.

@jonbigman9723 Год назад

I guess they have no clue about the potential difference between the ionosphere and the ground. There is no way they could do an elevator without it discharging our ionosphere and ruining our atmosphere.

@ezequielv6390 Год назад

bloomberg is it slow in the news lately?

@patrickvanrinsvelt4466 8 месяцев назад

I think the Shuttle did a test by reeling down a coffee can sized weight from the cargo bay. The wire was 10km long?

@kennethbransford820 Год назад

=== " When historians look back 500 years from now " ? Are you kidding me? We may not even make it to ten years from now. ===

@hjdhbcfjjb Год назад

"what floor?" "2,786 please."

@reel1tv587 Год назад

Meanwhile the elevator in my complex keeps breaking. Yeah I'm sure this will work. 😒

@edwardbrown3721 Год назад

Imagine if there was no elevator in your complex and you had to take yourself up with a rocket, that's where we are today

@thecyanadon Год назад

@@edwardbrown3721 Not even close to the same thing but ok.

@yhnell18 Год назад

This didn’t explain anything. Why is this cheaper than present methods? How does the tension/counterweight system work? ELI5 “I don’t see why this isn’t being built” - Space debris, within the video, is accepted as a problem without a solution 🥴

@rebeccadewitt5467 Год назад

This idea is centuries away.

@peterhamilton7723 Год назад

beanstalk elevator would need to be built first around the moon, later other planets as the sheer potential energy could be cataclysmic in critical failure.

@Xtariz 4 месяца назад

Space age starts with the space elevator

@DangerNoodle16 Год назад

Everything at the end just comes down to mining materials, eventually destroying it like we did earth

@peterflynn9123 Год назад

Just think about the physics.. the counterweight has to be in geostationary orbit. To that's 400 miles high. And the cable needs to be that long. And cut through the jet stream

@dannyhill9111 12 дней назад

You gonna make sum sky hooks too 4:10

@Fuff63 Год назад

Pelted by meteors going 25k km per hr, bombarded by continual radiation, subject to terrorism and greedy criminals, expensive maintenance, malfunctions, material fatigue, crazy stuff falling back to Earth onto civilized areas, junk floating in orbit around earth…what could possibly go wrong? It’s a nice dream tho.

@coreyfreeman6226 Год назад

I saw this in the Apple TV show "Foundation" fantastic affordable idea to cheaply get people into space and save on energy to get to space

@dsdy1205 Год назад

For reasons others in the comments have described, an Earth based space elevator will currently not work. But one on the Moon would. Building a space elevator on the Moon is achievable TODAY, with nothing more than Kevlar fibres, which we already make mile and miles of for bulletproof vests (military funding go brr). It wouldn't be as intuitive as an Earth elevator in increasing access to space, but it would allow cheap exploitation of Moon materials to build up a space economy in Low Earth Orbit.

@jovanwatson7656 Год назад

So we didn't learn anything new from this, just farming for content

@techcafe0 Год назад

I guess that's why it's called a 'Quicktake' ;)

@olivergill2903 2 месяца назад

Lunar Tether is completely do-able now. There's a renewed interest in Moon shots so building one would give these trips greater purpose

@johnnyBrwn Год назад

C'mon bloomberg, this is a literal repeat of the same video! Update us on this!

@j.d.4697 Год назад

I just can't wondering... which floor will be discount underwear? 🤔

@danduval1157 Год назад

A space elevator, but for air conditioning.

@scarpfish 6 месяцев назад

New day, same old vaporware.

@tidepoolclipper8657 Год назад

We're really far off making any tube of carbon nanotube long enough for this purpose. Never mind the kind of damage that could occur if the cable snapped away from the ground or the platform in space is destroyed or malfunctions. Saying this technology will happen soon is deceptive.

@Joy_Atheism 5 месяцев назад

When they will be able to public? Wich year?

@JG_UK Год назад

Just build a giant pyramid that reaches into space

@guyonthecouch007 Год назад

Space elevators will slow the rotation of the earth little by little.

@InturnetHaetMachine Год назад

Federal Reserve pumped $120 Billion A MONTH, to prop up bond and stock prices. All the other budgets for science and education are so puny in comparison. Puts things into perspective how America squandered their great privilege of reserve currency to make sure Billionaires stay wealthy.

@mejestic124 Год назад

the cable would form a curved path, not straight.

@The987654321andy Год назад

$1 a gram, and you need 1000 tons to build a space elevator lol. Not happening anytime soon.

@MichaelJeffers75 Год назад

Why would you narrate the "what if it was severed" scenario than segue right back to "we should build a space elevator"? Maybe we should first clean up orbiting debris?

@brendancurtis3681 Год назад

Thank you for stealing my idea

@TravisRichey Год назад

I’m excited about the idea of a space elevator, but Edwards lost me at “millions of dollars per pound.” The cost used to be closer to $10,000-$30,000/pound to put stuff in orvit, but are now closer to $1k, thanks in large part to SpaceX and their reusable rocket tech. ~Trav

@ntal5859 Год назад

You forget the cost of the object going to space ie James Webb 10 BILLION (yes BILLION) so he is correct per pound these items can run into millions .

@TravisRichey Год назад

@@ntal5859 The cost of developing and building the satellite and its technology has nothing to do with teh cost of putting it into orbit

@j2art 4 месяца назад

He didn't say to orbit though. He said to the moon or to Mars. It is about 100k to send a pound to the moon. About 1 million dollars to send a pound to Mars.

@anthonyhitchings1051 Год назад

The collision aspect alone kills this pipe dream

@egillis214 Год назад

Never happen in our lifetime. Check the actual length and strength made with nanotubes today...

@johnwalker8417 8 месяцев назад

A great concept

@michaelesplin529 Год назад

Keepin that dream alive son.

@user-ri4mp5zm4o 10 месяцев назад

Very interesting!

@kittendkat5100 Год назад

And the elevator would start here at ground level on Earth? Would it be able to withstand earthquakes? Hurricanes? How would it affect air travel? I mean planes would have to fly around it, needless to say.

@musicalADD_theband Год назад

What’s the anchor going to be? A giant pyramid made almost entirely out of granite? 🤪

@Elucidator- Год назад

Not the Bloomberg Quicktake quality I expect, sorry. It is too short, too superficial and not really new.

@kanlu5199 Год назад

2045-2050 The Wandering Earth 2

@malaysingh9649 Год назад

even if space elevater can be built from an altitude of 100 km above earth surface to 1000km in space it will change the space travel without facing the heavy winds in upper atmosphere.