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A comment on Optical diffraction patterns made with a MOPA laser engraving machine [video].

Re:Optical diffraction patterns made with a MOPA laser engra... by hnthrowawayacct on Monday October 20, 2025 @12:59PM (#45646227)
This guy always has an unreal amount of engineering lift for hobby videos. A treat to watch every time.
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Re:Optical diffraction patterns made with a MOPA laser engra... by JKCalhoun on Monday October 20, 2025 @02:17PM (#45647225)
Yeah, a YouTube treasure. For anyone new to his channel, you have a back log of amazing experiments to binge on.

I believe he works at Alphabet (tangent?)—somewhere in the Bay Area.

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Re:Optical diffraction patterns made with a MOPA laser engra... by quux on Monday October 20, 2025 @03:35PM (#45648207)
IIRC he works (worked) for Verily, and previously was at Valve working on their VR hardware. He's also mentioned having a business pre-Valve that made MRI safe controllers for users to interact with computers while inside an MRI machine.
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Re:Optical diffraction patterns made with a MOPA laser engra... by ThrowawayTestr on Monday October 20, 2025 @03:26PM (#45648087)
What a 10x engineer does in his free time
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Re:Optical diffraction patterns made with a MOPA laser engra... by egeres on Monday October 20, 2025 @06:27PM (#45650236)
It's a completely different level, he has my favorite combo, incredibly detailed videos with fresh and complex engineering ideas
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Re:Optical diffraction patterns made with a MOPA laser engra... by jayrot on Monday October 20, 2025 @10:53PM (#45651957)
Also, really the holy grail of YouTubers — he’s not concerned with clicks or retention. He has a day job, he’s not trying to do this full time or make a career out of it. I’ve been following him for years. Legitimately just an insanely smart person doing projects on his own time he thinks are interesting and that he thinks other people might be interested in too. It’s kinda crazy when it’s as simple as that with no ulterior motives or incentives.
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