TwoBitDavinci: BUSTED!!

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[Cardey]

When you see "this changes everything" it's almost certainly BS, it's one of the most over used phrases on youtube.

[veganbutcherhackepeter]

I feel a strong disturbance in the force. Like a billion palms being slapped against foreheads.

[alexerobert]

at this point you could say that a fan in front of a wind turbine is a perpetual motion machine and people would believe it

[LintrovertLietuviskai]

As a PhD in Laser engineering and laser material processing I have two things to add (without reading the original paper):
1) Every transparent material has at least very small amount of impurities that create additional energy levels where there should be none. For that reason no material is ever 100% transparent. At best we always have like 99.95% transparency or smth like that. As a result these absorbing impurities act as an agent that allows laser light, which should seemingly just pas through, to be absorbed and turned into head. And because lasers are very good at delivering concentrated energy amount absorbed can be a lot higher than with let's say incoherent light like sun or lamp.
2) If laser is focused sufficiently sharply and peak power is sufficiently high even non-linear light-matter interaction might occur. In other words, standard absorption rules do no apply and even transparent material starts to absorb laser light. That, again, can be a vehicle for energy transfer from light to material and subsequent heating of the liquid.

Simple example of these two effects being used is engraving complex patterns inside transparent of glass and making nice looking souvenirs that way. There are even more complex applications like engraving encoded information in sapphire in 3D photonic crystals and such. But, overall, introducing energy from laser to transparent media is nothing new or revolutionary and is very well understood and applied phenomenon in laser material processing. I know all of it as I am doing it professionally for 10+ years and even have several review articles in peer reviewed journals on the topic.

So it is quite funny when MIT is trying to reinvent something well understood in laser physics for decades :) .

Cheers!

[EEVblog]

He just took $50k to shill an inverter company's stock listing in a recent video.

[louis_the_hedgehog]

6:46 "Before we work on artificial intelligence, why don't we do something about natural stupidity?"
That is now my newest favorite quote.

[DarkPuppy]

hold on hold on. I was promised the ability to assault the sea with laser cannons.

[Argumemnon]

"Light instead of heat"
Yeah, about that distinction....

[davexmit]

Click bait content will always win. And YouTube doesn't care because content is just an advert delivery system.

[Gwallacec]

If their laser was as strong as they stated and was actually absorbed by water and it ONLY caused the amount of evaporation, they stated, I would be concerned… this is literal VAPORware.

[mtmadigan]

In this house we obey the laws of thermodynamics!😂

[eddyram]

This is the reason I don’t go outside when the sun is shining😂 my body will start to fall apart as the molecules get torn off by the light.

[scottlarson]

Thank you for bringing up Cold Fusion. This happened right as I was graduating from university and I had never seen such hysteria in my life before. There were endless arguments on Usenet between academics asking questions and asking for more research, yet they weren't nearly as loud as the snake oil salesmen who saw an Star Trek-like invention. Some pointed out there should be a ton of neutrons emitted so it couldn't be fusion, yet others were screaming that we *had* to pour millions of dollars into researching it *now* before our brilliant scientists sold it to the Japanese (our economic enemies at the time).

[ZachSeineVideos]

Astronaut 1:
"Wait, it's all dehumidifiers and transportation pods?"

Astronaut 2, pulling a gun out of a book about ponzi schemes:
"Always has been."

[Stoyon]

Wow, this is the first time in my 37 years that I actually understand water tension!

Thank you!

[SgmScraps]

Its about time someone called Da Vinci out

[charanko]

Breaking the laws of thermodynamics is how scammers make money on social media using poorly computer generated animations.

[paulpinecone]

TF gets a woody anytime he has an excuse to haul out the ol' molecular simulator.

The red ones represent this, the blue ones represent that, and the green ones represent PURE FUN!

[jlmackey]

1:26”Bro, we could invent a light powered dryer.” As if people, having just been brought into existence underneath the proverbial rock, have never in their lives heard of a clothesline before

[stanvasile-cp]

"At this point people will be scratching their heads ..." ... I was literally scratching my head right at that point 🤣