Why It Was Almost Impossible to Make the Blue LED
33:45
YouTubeVeritasium
Why It Was Almost Impossible to Make the Blue LED
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription. Special thanks to our Patreon supporters! Join this list to help us keep our videos free, forever: https ...
已浏览 4132.3万 次2024年2月8日
Projector Reviews
Ultimate 4K Laser Projector Review 2025: Valerion MAX, XGIMI, Nebula, Dangbei, Nexigo, BenQ
31:19
Ultimate 4K Laser Projector Review 2025: Valerion MAX, XGIMI, Nebula, Dangbei, Nexigo, BenQ
YouTubeThe Hook Up
已浏览 8.2万 次1 个月前
TOP 5 Best Home Theater Projectors 2025
6:37
TOP 5 Best Home Theater Projectors 2025
YouTubeProduct Guide
已浏览 5.1万 次7 个月之前
$50 vs $12,000 Projectors Side by Side || Budget vs Performance Comparisons.
22:18
$50 vs $12,000 Projectors Side by Side || Budget vs Performance Comparisons.
YouTubeThe Hook Up
已浏览 47.7万 次2024年4月12日
热门视频
How to Wire Multiple LEDs: Series vs. Parallel LED Circuits
21:24
How to Wire Multiple LEDs: Series vs. Parallel LED Circuits
YouTubeRachel De Barros
已浏览 21.4万 次2024年1月12日
How LED Works - Unravel the Mysteries of How LEDs Work!
19:06
How LED Works - Unravel the Mysteries of How LEDs Work!
YouTubeThe Engineering Mindset
已浏览 138.4万 次2023年4月30日
How Blue LEDs Changed the World
5:34
How Blue LEDs Changed the World
YouTubeBloomberg Originals
已浏览 171.8万 次2019年4月26日
Projector Setup
How To Set up Projector | step by step guide
1:16
How To Set up Projector | step by step guide
YouTubeThe Projector Shop
已浏览 1320 次2023年11月10日
Home Theater Projector Setup - Everything You Need To Know About Projector Installation
8:55
Home Theater Projector Setup - Everything You Need To Know About Projector Installation
YouTubeChris Majestic
已浏览 63.6万 次2017年12月8日
How to Mount a Projector // DIY Home Theater Projector Installation & Setup 📽️
6:17
How to Mount a Projector // DIY Home Theater Projector Installation & Setup 📽️
YouTubeAudio Advice
已浏览 4.6万 次2023年6月13日