Paper | LeviPrint: Contactless Fabrication using Full Acoustic Trapping of Elongated Parts

[@NathanK97]

never before have i seen something so impressive, yet so unimpressive at the same time

[@JacobProbasco]

“Build large structures” @4:06 😂

[@chrispaquette6153]

you can also use this to preform chemistry in space by holding the Salicylic acid and introducing it to acetic anhydride. in an argon atmosphere. this is my intellectual property.

[@trejohnson7677]

⁠@@chrispaquette6153lol stfu theres billions of ppl on planet earth, fuck ur IP, esp if u still sitting wacking off and commenting on u tube instead of making thing.

[@qbert4325]

Omg This is the future i need

[@RomanVladimirovichF]

Bravissimo! это начало новой волны 3D реплицирования чего угодно

[@UpnaLab]

big fans of psygnosis games

[@yelectric1893]

Simply incredible. We truly live in the future. Outstanding.

[@cyberreality7774]

Humans could do the same with mind but they are phsichically handicapped species lol

[@BACON2369]

Or simply revisiting the past...

[@BIGNOIDS]

This is how they built ancient structures like the pyramids and Stone Henge.

[@fraaggl]

this is Star war level technology right there, in real life ! And NO ONE is talking about that, no tv, no newspaper, nothing... Incomprehensible.

[@strwtchr]

Amazing. And beautiful. And so gracefully connected with the music. Feels like Kandinsky met Clarke.

[@aphaits]

What about connecting two different parts of the sound array to two different robot arms and have the option to levitate upwards more by tilting against gravity?

[@jessemoody2218]

Wow, this is so cool! Definitely lots of potential here!

[@jixal]

that is totally next level

[@ronaldjtriumph5985]

Awesome... It starts with baby steps and before yiu know it, it's scaled up... There is definitely work to be done, but I can see a future for this. Just the Medical field alone is enough to make your head spin. I mean imagine the none evasive surgery that can be performed...

[@BootyRealDreamMurMurs]

Bruh, dudes made a ducking primitive form of traction beam thing and thats all you can say?

[@Shonicheck]

Well acoustic levitation is far from anything new, and you can't exactly do anything with it inside the body or any complex structure for that matter. That's exactly why they show only "open air" demonstrations or atleast on somewhat acoustically "transparent" things. Though i do admire their clever use of it, and it probably can find some application(something like fabrication/repair processes near very, very hot metals where you don't want anything that can melt), but i don't think it's gonna find any wide use(atleast i can't think of one. Also do keep in mind that scalling it up is super troublesome. On another note, you can buy toys that operate on the same principle and see for yourself just how "fragile" the whole thing is. If you want to talk about medical non-imvasive applications then i think using "magnet locking" mechanism is waaay better, since your body is pretty much indiferent to magnetic fields and you have somewhat uniform magnetic "transperency"(well not exactly uniform, but to the order of magnitude we are talking about it might as well be). It is also somewhat easy to scale it up.

[@corners3755]

Wow! I can picture these being used by drones to build all sorts of things. Having surgeries inside of people without having to have massive scars or entry points that a surgeon could fit his hand into

[@santka3739]

Drones 👍 Not sure about surgery - actually we doesn't know how strong emition required. Hope you don't want your patients has been fried inside?

[@paxon57]

@@santka3739 Fired with sound waves?

[@santka3739]

@@paxon57 Not "fired" but "fried". Not just "sound" but *ultrasound.* To be accurate. Yes, it's possible.

[@paxon57]

@@santka3739 yes I had a typo Sound and ultrasound are the same thing, only frequency changes No it's not possible

[@santka3739]

@@paxon57 I'm sorry but seems you not very familiar with classical phisics. Try to search 'burn classification caused by ultrasound'. Good luck!

[@teacon7]

How precisely can the object(s) be controlled mid-air? Could this 'levitate' objects while 3d printer-like 'addative' manufacturing adds layers, or would the extruder somehow interfere?

[@Nunon]

Tech guys: presents futuristic, new device Testers: "ou yeah, let's make a cat from orange"

[@Buongona]

so cool! I wonder how much role is atmospheric pressure is playing in here... is higher pressure(aka more material to play with) better??

[@bottlekruiser]

I had the same thought! My guess would be that yes, denser atmosphere would allow to transfer more force

[@bottlekruiser]

What i was also thinking is that if a higher frequency would allow finer manipulation of objects. Think of their uv cured resin assembly but taken microscopical

[@Buongona]

@@bottlekruiser I guess you'll need to build an acrylic pressure chamber around that robot hand to find out for sure ;)

[@UpnaLab]

@@bottlekruiser Indeed, it is hard to go larger but much more promissing to go smaller with higher frequency

[@UpnaLab]

more pressure is better yes, sound travels better. But another option would be to change the medium to water.

[@johndurrett3573]

hmmm. wonder if you create a standing wave thru solid material by using cancellation techniques. Or get the material barrier to resonate the the desired frequency in order to produce levitation inside a closed solid space

[@segelsonproduction]

WOW! Super cool! 😎😎😎

[@X1Y0Z0]

Cool 😎! What are the practical uses of this technology? Please let me know!!

[@UpnaLab]

mid-term ones micromachine like watches or zoom in phones.

[@kautkascitadaks]

Wow really cool, what's the power consumption and what kind of control unit is being used if it's no secret of course. Thanks brilliant.

[@dreadlitoko]

Madness. 👏🔥👏🔥

[@DanFoxDavies]

What you are looking at here is a sample holder for some of the finest molecular manipulation techniques of our future. With frickin' lasers.

[@STALKERajd4]

Напоминает грави-пушку из Half-life 2. Удивительно, раньше такое казалось фантастикой, а сейчас реально. Создатели молодцы

[@rsmstudio4634]

Точно!!!

[@keshahein3716]

Did you use a signal generator or function generator?

[@steve8225]

can this technology be used for levitating cars in the future?

[@n347f0x]

Probably not

[@andrewsackville-west1609]

Very cool, but how loud is it?

[@UpnaLab]

at the center of the levitator 160db are reached, yet that is at 40kHZ which attenuate quickly and is only at the center.

[@akhirayen]

What if you apply different delay law, will the particle move, without moving the arm?

[@Lalalovee_1989]

Is that a chopstick hot glued to a sink drainer ?

[@yudka3285]

Thats an amazing technology! Did you try to levitate gases?

[@UpnaLab]

www.sciencedirect.com/science/article/pii/S0009261402011788?via%3Dihub

[@3Bender]

If you are a musician, you might have suspected this was possible already. Think of the possibilities if you combine this potential with static electricity?

[@UpnaLab]

it is a really cool idea, we were thinking about combining it with magnetic levitation but electrostatic levitation is another versatile option

[@AppleCakes7]

Do you need to wear ear protection while using this?

[@UpnaLab]

if your ears are not close (10cm or so) to the levitator, the levels are ok, otherwise sometimes we use earplugs

[@TheTejibizkit]

Pyramids?

[@mengo0456]

Maybe the pyramids where built like that.

[@AgentPothead]

This is awesome work! Great job all around. I wonder if this would work with a liquid fluid instead of a gaseous fluid atmosphere, or if the ultrasonic waves would dissipate too quickly.

[@UpnaLab]

It is one of our future research lines, use different emitters that are designed to emit in water (or other liquids). Working in water is actually easier since the sound propagates betters and things weight less. When we say water-based, we also include the human body, perhaps even in-vivo. But we are a small emergent research group and we let this task for the more powerful groups, it is time for us to jump into another project.

[@shut713]

Красота! хоть кто-то наукой занимается

[@3amoood]

Whats the maximum weight and size?

[@albertLAPOINTE]

What is the name of the corporation or the institut ?

[@jsholt123]

so in theory you could use the metal particle material used in todays metal 3d fabricating, suspend it and point the laser at it and weld it together. but at what point would the weight be too much for the wave to hold in place. also could you build the 3d wave like the university of tokyo did in 2013 and not even have to use an arm?

[@mattiaalessandroragolia6832]

hi, I'm interested in the project you mentioned from un. of tokyo. Can you provide a reference? Thanks in advance!

[@doug-cdsimontrustee6609]

This might be a solution to making complex assemblies from toxic material or active materials.

[@BIGNOIDS]

We're slowly catching up to ancient civilisations.

[@Oneezibeats]

Ok but where do I invest?

[@cakilas8966]

4:16 That cactus needs more light.

[@raph151515]

could you control a particle flow instead and coupled with a way to heat you could do 3d printing. If you can control the "jet" shape it can be interesting. you would need rapid phase translation.

[@PopFictionVideos]

What if its a windy day?

[@chrispaquette6153]

you can also use this to preform chemistry in space by holding the Salicylic acid and introducing it to acetic anhydride. in an argon atmosphere. this is my intellectual property.

[@graycee4953]

Whoa!

[@env491john]

Oh I'm. Sure this will only be used to help people and will absolutely not be used to make rich people richer or hurt people in warfare. Definitely very safe stuff

[@michaelbarret4610]

With acustic levitation we can bend the four elements

[@santhoshinfo]

No fingerprint attached.

[@choomanfoo]

Imagine what squirrels would be able to do if they get hold of this technology?

[@teacon7]

a) This is genius. what kind of weight can it hold? b) Program it to solve that rubik's cube and you'll sell about a billion devices.

[@Iankameel]

Cant beat a pair of human hands

[@mehdisol7094]

if the concept is improved maybe in 30 years we will have flying pieces being assembled into a car or a phone

[@tequilawolf6231]

if this thing is true then this must be the solution on how ancient egyptians build a fcking pyramida

[@Bruno_Ravaglia]

🇧🇷🇧🇷🇧🇷🇧🇷🇧🇷

[@studiot7141]

Man. C'mon. It's like they want us to be stupid enough to believe they didn't know this thousands of yrs ago.

[@klausgieg]

At last.

[@cihangirkoroglu]

Pyramid science...

[@logruszed]

RELEASE THE GHOST OF RAY HARRYHAUSEN!

[@johnaweiss]

gluing things seems a minor, uninteresting application.

[@DanFoxDavies]

I believe it's a matter of applications that are easy to show visually.

[@DougsDiggers]

Garry's Mod irl

[@drinkingindives]

NICE. This is a small example of how they actually built the great pryamids using sound. Expecting this tech to advance to that point of levitating multi ton stones in the near future.

[@carluscarlois721]

O SEA EXPERIMENTAL Y EDUCTAVO LO CUAL SIGNIFICA QUE AUN NO SIRVE PARA NADA PRACTICO Y UTIL.

[@DDCC-tl5ly]

やば あ

[@carluscarlois721]

O SEA EXPERIMENTAL Y EDUCTAVO LO CUAL SIGNIFICA QUE AUN NO SIRVE PARA NADA PRACTICO Y UTIL.