We do have the technology for this... right?
this post was submitted on 28 Mar 2025
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Absolutely, but the scale of the balloons is a bit off. Nobody would be walking shoulder to shoulder like this. For a normal-ish 170lb/77kg individual your personal balloon would have to be a little under 6.5 meters across assuming it were filled with helium.
Yes, I did the math.
You did the basic math, with your spherical balloon. What about giant cylinders? Then you could really pack it in.
Sure. You could do a cylinder of three quarters of a meter across which seems like a reasonable footprint for someone to stand in. That'd only have to be, uh, 325.5 meters tall to have the same volume.
I fail to see the problem.
Your asshole "buddy" constantly throwing sharp objects at your balloon causing you to be wet all the time and laughing as you ask your mom if she can mend your massive cylinder for the 13th time this month
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You could use spherical balloons with really long, but different length, strings for each person. Of course you'd have to avoid tangling your balloons together while walking around like that and given wind can vary with elevation....
You could use hydrogen, which is less dense than helium. Then if it catches on fire like the Hindenburg you’d already be in the water.
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Note that you wouldn't need 77 kg worth of bouyancy from the balloon. The shoes would provide some lift, more if you made them out of some type of foam.
We thank you balloon master!
What if the balloon was rigid and filled with vacuum?
This I am fairly certain we do not have the technology to achieve. Anything vacuum filled that large would need to have walls so thick so as to completely negate any buoyancy effect. I don't know of any modern material that would simultaneously be rigid, strong, and light enough.
Cool sci-fi concept tho
What other sorts of random issues would be solved by this super material :opens notepad: I mean, everything, right? It would have to be so strong, so light and so economical. You could make actual BattleMechs from it that wouldn't just sink into every surface they walk on. Shit, Dyson Spheres I guess.
..so why would we use weird balloon floaties? Isn't it fun how technology answers it's own questions?
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Hot air balloon pilot here: We do, indeed.
This is a "Cloudhopper". It's a hot air balloon with no basket: The pilot straps a propane tank to his back and wears a climbing harness. As you can see, the pilot is, effectively, walking on water with the assistance of the balloon.
Cloudhoppers are about 20,000 to 35,000 cubic feet, 40-50 feet in diameter. They are about 1/3 to 1/2 the size of most of the balloons you might see at a fair or festival.
This is the coolest shit I’ve seen all month. Just when you think the world is running out of interesting ideas, you come across something like this and realize you will never see it all.
Already nightmare fuel even with just the basket. But THAT is just foolishness. Pardon my language.
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There's an episode of Nathan For You where he uses giant balloons to help someone who weighed too much to ride a horse normally. Great show
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Fucking horse in the background 💀
No, it's just a water-walking horse.
A Balloon Supported Water Walking Horse...BSWWH for short. Pronounced bsh!
Forget the balloons. I want that water treadmill unicycle!
millicycle
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The two Jesuses in the background don't have balloons!
They're on a carriage that's like pontooned at the bottom, being pulled by the horse and driver who each have their own balloons.
edit oh wait d'you mean the ones in the back right my bad dk about them
Back right?
I see two in the back left and two more in the back middle without balloons. The two in the back right are the carriage passengers.
I love that the balloons are far too small. Like they didn't understand the elements and buoyancy well enough to know the balloons have to be much larger. Not like we have negative mass particles.
Obviously they were assuming balloons were filled with supervacuum. We have had 100 years and not invented even that.
Truly we have failed our ancestors.
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Well, I guess they figured it'd take another 100 years to calculate that correctly, so they just winged it for the picture.
I'm pretty sure scientists back then could have told you that these balloons are too small. The person(s) who drew that picture most likely wasn't a scientist, which is why it looks how it looks.
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Not sure how they are walking and not just splashing in place.
And you don't have an issue with the carriage, with three people on it, where the only balloon is on the horse?
Whoever made this was an artist and sucked at physics
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If we had spent the time working on the real problems, this would have already been solved.
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I'm glad we got ubiquitous smartphones instead of only rich people having flying cars.
Still, I'm promoting way, way more punk in our cyberpunk.
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I feel ripped off yet again!
They just thought they'd do everything they did back then, but on water? And with mini blimps?
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There are two people water-walking without balloons behind the two women on the left. Time travelers? Aliens? The JFK assassins? We deserve the truth!
"Deutscher Kakao" 🤡
"German cocoa"
I actually went to that timeline! And its more complex than you think because well yes, there technology is far cooler and more whimsical, abd yes there world is more socialistic, has more free time, better prices and less of a late stage capitalism nightmare....
But you should just see how many racial slurs those people used just this morning and half of those women cant vote and have polio.
Also I am pretty sure left-handed people got hunted to extinction for some reason
Timeline hopping is a mixed bag
I understand why you didn't stay in that one, but why the hell would you come back to this timeline??
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They were very into helium and balloons
I do like how it has the sensibilities at the time. Being super dangerous to anyone who uses it.