Magnifying The World's Brightest Flashlight (200,000 Lumens)
16.2 هزار بار بازدید -
4 هفته پیش
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Flashlight I used: https://amzn.to/3Lj2fM3
Good summaries of Etendue:
https://www.mikewoodconsulting.com/ar...
https://what-if.xkcd.com/145/
Flashlight I used: https://amzn.to/3Lj2fM3
Good summaries of Etendue:
https://www.mikewoodconsulting.com/ar...
https://what-if.xkcd.com/145/
4 هفته پیش
در تاریخ 1403/04/23 منتشر شده
است.
16,209
بـار بازدید شده