Experiments with hard light
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- čas přidán 3. 09. 2023
- #Ad: Immortals of Aveum is out now: bit.ly/IofA_Bruton Thanks again to EA for sponsoring this video
You've all seen lasers popping balloons and burning things before, so I decided to make something different - lasers that can apply a force. Lasers are just light though and photos of light have no mass, so I had to use a little bit of magic to shoot down cups with a laser beam.
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It was immediately apparent that it wasn't the light, but a super convincing effect, I wish I could make something like that for my kids, they would go bananas 😂
Fun fact, light does push, or to be precise, applies radiation pressure onto reflective surfaces. Such a phenomenon would be really hard to notice with the lasers which he has access to, and even if he had stronger ones the caps would incinerate before noticing it. But this kind of technology works well in space for small payload missions. Solar sails have already been tested successfully and there are projects to push probes with lasers.
I was not expecting a 3D environment modelled in a game engine to drive this, thought it would involve a hidden light sensor or something. Complex but very well done
I had expected some sort of hidden air blast. Nice job.
You should look into setting up the slicing software to only use PVA for the support interface layers, it saves a lot of the expensive PVA filament when most of the support structure is printed with normal plastic and then switching to PVA for just the attachment points to the model
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Photons don''t have mass but they do have momentum, so they DO push stuff around, ever so slightly.
I was expecting a vortex cannon, but this is just so much more deliciously Rube Goldberg-esque.
As a Unity developer this is the cleverest application of Unity and VR I have seen. Operating physical things from within a game is pretty neat.
This is actually way more clever than I expected! Really cool, well done.
Lasers do produce a force on objects, it’s true that photons have no mass but this is an incomplete understanding, photons do have a small amount of momentum and momentum can be transferred. The force is small but lasers do indeed transmit a force on objects they strike that is measurable with fairly basic equipment. You can test this with some styrofoam in some water and a moderately powered laser.
I could see a more compact version of this being really useful for live stage shows or haunted houses, allowing the actors to cue their own effects at a distance, and in any order, rather than having to sync timing with the back of house.
This would be killer tech for an escape room or other immersive experience. Amazing work.
I was going to write that this is completely overengineered, but actually its exactly right engineered.
Exciting twist. And I would love to see more of this kind of VR/real world action
You CAN actually apply force with a laser though...
Next time you do solluble support, just make the interface layers solluble and you save a lot of that expensive PVa filament.
You CAN actually apply force with a laser though...
This is the most interesting ad I have ever seen, great work! Even with some VR, that was not expected but excellently performed
I was legitimately ready to learn how you were going to push with light. Then i became certain you were shooting air bursts, then the explanation came, and dang really good job James. Great sponsor video i'll have to try out the game.