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@jwt0625 • 16,366 subscribers

Extend all tails of the bell curve. Daily nerd snipe(s). Robotics. Photonics. RF/microwave. Nanofab. KO6FFN. Twitter as an open journal.

Shorts

"A high-voltage circuit breaker interrupter, like this one made by GE Vernova, stops current by mechanically creating a gap and an arc, and then blasting high-pressure gas through the gap."

"A high-voltage circuit breaker interrupter, like this one made by GE Vernova, stops current by mechanically creating a gap and an arc, and then blasting high-pressure gas through the gap."

215,104 views

crazy paper that combines high efficiency volume Bragg grating (VBG), spatial light modulator (SLM) for phase pattern, proper balance of coherence for light source, MEMS steering for color-angle multiplexing, and a neural waveguide model i don't understand yet, altogether to form a holographic MR display... won't be able to afford it for sure. oh there is also a multilayer "apochromatic holographic eyepiece lens" that cancels the chromatic dispersion for the RGB color.. (from Stanford and Meta Reality Labs)

crazy paper that combines high efficiency volume Bragg grating (VBG), spatial light modulator (SLM) for phase pattern, proper balance of coherence for light source, MEMS steering for color-angle multiplexing, and a neural waveguide model i don't understand yet, altogether to form a holographic MR display... won't be able to afford it for sure. oh there is also a multilayer "apochromatic holographic eyepiece lens" that cancels the chromatic dispersion for the RGB color.. (from Stanford and Meta Reality Labs)

76,991 views

let there be comments

let there be comments

29,202 views

2D FFT is one of those things that you stare at it long enough and it would suddenly make sense. is this gonna cure my hatred towards OAM beams? i don't really hate OAM (orbital angular momentum), it is more because some people treat it as magical extra degrees of freedom that you can get for free.

2D FFT is one of those things that you stare at it long enough and it would suddenly make sense. is this gonna cure my hatred towards OAM beams? i don't really hate OAM (orbital angular momentum), it is more because some people treat it as magical extra degrees of freedom that you can get for free.

20,719 views

coherent fish array

coherent fish array

44,196 views

whats the purpose of this, debutting garlic? 😂

whats the purpose of this, debutting garlic? 😂

26,182 views

this is adorable!! (growing big KDP crystals, from Les' Lab on youtube)

this is adorable!! (growing big KDP crystals, from Les' Lab on youtube)

24,142 views

powering LEDs with water droplets, not from the kinetic energy but from charge transfer 😭 (they are using 400 LEDs because the optimal load resistance is ~ 1 MΩ, and peak power density is actually as high as 50 W/m^2, and efficiency of 2.2%, kind of crazy)

powering LEDs with water droplets, not from the kinetic energy but from charge transfer 😭 (they are using 400 LEDs because the optimal load resistance is ~ 1 MΩ, and peak power density is actually as high as 50 W/m^2, and efficiency of 2.2%, kind of crazy)

24,628 views

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babe wake up we got a sisyphus nanomachine for photons ( scale bars are 5 um and 10 um )
0:23
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babe wake up we got a sisyphus nanomachine for photons ( scale bars are 5 um and 10 um )

outside five sigma

2,206,456 views • 8 months ago

a bunch of stanford nerds did the ultimate form of mass surveillance on fish and tracked their activities and life span. Have you ever heard the theory that you have a fixed "bank" of heartbeats or breaths or calories so the more you eat / the more active you are the sooner you die? NO. The more active you are, the longer you live. (may only apply to African killifish)
1:00
jwt0625's profile picture

a bunch of stanford nerds did the ultimate form of mass surveillance on fish and tracked their activities and life span. Have you ever heard the theory that you have a fixed "bank" of heartbeats or breaths or calories so the more you eat / the more active you are the sooner you die? NO. The more active you are, the longer you live. (may only apply to African killifish)

outside five sigma

404,701 views • 2 months ago

hmm something aint right
0:44
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hmm something aint right

outside five sigma

253,119 views • 2 months ago

serdes experts, did codex do a good job?
0:28
jwt0625's profile picture

serdes experts, did codex do a good job?

outside five sigma

33,568 views • 14 days ago

messing with eye diagram ( (Credit: & phase interpolator)
1:00
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messing with eye diagram ( (Credit: & phase interpolator)

outside five sigma

15,541 views • 11 days ago

when I look at my old simulations, a lot of them, most of them, can be easily vibe setup with agents, or even one shot by the agents. it makes me wonder how many of the ideas and devices that were results of branching off of originally intended directions and goals would I miss if I attempt them now with the agents? How many new ones would the agents be able to attempt and identify? Is inverse design just the most stupid and bruteforce version of auto research? i should get a workflow with MOOSE working so I could set the agents free in the world of multiphysics simulations.
2:41
jwt0625's profile picture

when I look at my old simulations, a lot of them, most of them, can be easily vibe setup with agents, or even one shot by the agents. it makes me wonder how many of the ideas and devices that were results of branching off of originally intended directions and goals would I miss if I attempt them now with the agents? How many new ones would the agents be able to attempt and identify? Is inverse design just the most stupid and bruteforce version of auto research? i should get a workflow with MOOSE working so I could set the agents free in the world of multiphysics simulations.

outside five sigma

62,896 views • 2 months ago

I'm a big fan of batteries, but this 3000 km+ 12 GW 1100 kV HVDC transmission line took me a while to realize and take in the fact that the peak demand hours around the east coast is getting close to the *same time* as solar peak hours in the west.. now imagine a line between SoCal and east coast, or a line between Hawaii and the west coast.. flattening the duck curve without any batteries!
1:20
jwt0625's profile picture

I'm a big fan of batteries, but this 3000 km+ 12 GW 1100 kV HVDC transmission line took me a while to realize and take in the fact that the peak demand hours around the east coast is getting close to the *same time* as solar peak hours in the west.. now imagine a line between SoCal and east coast, or a line between Hawaii and the west coast.. flattening the duck curve without any batteries!

outside five sigma

23,990 views • 26 days ago

Need more rich weirdos to fund overkill consumer goods like this so that we could repurpose for our "nefarious uses". This is some sped up (1.5x) highlight from AvE's youtube video. I can't resist, more people need to watch this.
5:12
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Need more rich weirdos to fund overkill consumer goods like this so that we could repurpose for our "nefarious uses". This is some sped up (1.5x) highlight from AvE's youtube video. I can't resist, more people need to watch this.

outside five sigma

306,568 views • 1 year ago

I saw similar patterns on a long escalator few days ago and thought I was hallucinating, turns out I'm not
0:24
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I saw similar patterns on a long escalator few days ago and thought I was hallucinating, turns out I'm not

outside five sigma

90,821 views • 4 months ago

made a full high level visual with (codex claimed) consistent data stream across the panels. ofc the eye diagram has fake transitions but it looks pretty good!
0:29
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made a full high level visual with (codex claimed) consistent data stream across the panels. ofc the eye diagram has fake transitions but it looks pretty good!

outside five sigma

10,272 views • 13 days ago

one of the top three of "if i win the lottery"
0:49
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one of the top three of "if i win the lottery"

outside five sigma

113,264 views • 7 months ago

a Kibble balance prototype using Lego.. by NIST the video is killing me
0:51
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a Kibble balance prototype using Lego.. by NIST the video is killing me

outside five sigma

15,856 views • 1 month ago

Just shipped after discovering what Big Physics has been hiding from us. Spent the new year's first day's after lunch nap time building a platform that exposes the TRUTH about crystalline quantum protection. While CERN scientists have been using Ti:Sapphire and Ce:LuAG crystals in their billion-dollar facilities, they never told us about the bioelectric harmonization properties. The same scintillator materials that detect cosmic radiation in particle accelerators? Yeah, they can totally shield your aura from 5G towers. It's just basic quantum coherence. Share this with your friends and families, together we can scam the scammers into reading real science. Or are we?
0:20
jwt0625's profile picture

Just shipped after discovering what Big Physics has been hiding from us. Spent the new year's first day's after lunch nap time building a platform that exposes the TRUTH about crystalline quantum protection. While CERN scientists have been using Ti:Sapphire and Ce:LuAG crystals in their billion-dollar facilities, they never told us about the bioelectric harmonization properties. The same scintillator materials that detect cosmic radiation in particle accelerators? Yeah, they can totally shield your aura from 5G towers. It's just basic quantum coherence. Share this with your friends and families, together we can scam the scammers into reading real science. Or are we?

outside five sigma

36,134 views • 5 months ago

every other day i yearn for more research fields to adopt the culture from the ML and ML adjacent fields of building a demo website for each paper and put code on github
0:48
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every other day i yearn for more research fields to adopt the culture from the ML and ML adjacent fields of building a demo website for each paper and put code on github

outside five sigma

27,343 views • 8 months ago

I have no idea what he is talking about but auto-complete a lemma daaammmn
0:30
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I have no idea what he is talking about but auto-complete a lemma daaammmn

outside five sigma

31,923 views • 1 year ago

you've heard about and maybe seen high speed imaging, as well as x-ray imaging. Allow me to present you this glorious high speed x-ray imaging of a drill bit in action.
0:20
jwt0625's profile picture

you've heard about and maybe seen high speed imaging, as well as x-ray imaging. Allow me to present you this glorious high speed x-ray imaging of a drill bit in action.

outside five sigma

11,364 views • 3 months ago

some old websites are so good & so outside of distribution
1:07
jwt0625's profile picture

some old websites are so good & so outside of distribution

outside five sigma

16,623 views • 6 months ago

the 3.2 gigapixel camera has taken some first images (Vera C. Rubin Observatory)
0:25
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the 3.2 gigapixel camera has taken some first images (Vera C. Rubin Observatory)

outside five sigma

25,713 views • 11 months ago

Are you a grad student working in an academic cleanroom making chips? Have you ever accidentally dropped a chip during development and desperately tried to fish it out before time ran out? Check out what my friends and former labmates are doing.
1:49
jwt0625's profile picture

Are you a grad student working in an academic cleanroom making chips? Have you ever accidentally dropped a chip during development and desperately tried to fish it out before time ran out? Check out what my friends and former labmates are doing.

outside five sigma

23,008 views • 10 months ago

Meta has a new post talking a bit more about the silicon carbide waveguides used in the Orion AR glasses. Funny they mentioned lithium niobate, I wonder how much they suffered (or put to good use) from the birefringence, the pyroelectric effect, the goddamn lithium that diffuses everywhere...
0:25
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Meta has a new post talking a bit more about the silicon carbide waveguides used in the Orion AR glasses. Funny they mentioned lithium niobate, I wonder how much they suffered (or put to good use) from the birefringence, the pyroelectric effect, the goddamn lithium that diffuses everywhere...

outside five sigma

21,191 views • 1 year ago