We like bright continuous lights here at DIYP. We’ve featured a bunch of them over the years – including this 1,000W 90,00 Lumens DIY monster. We’ve also shown off a few DIY solutions that aren’t quite that bright, but still a little above average. This one, though, really needs a trophy or something.
In this video, YouTuber NightHawkInLight (otherwise known as Ben), put together a ridiculous 100,000-lumen flashlight with a DIY projector to shoot a bat signal up onto the clouds. It’s a fascinating look at how simple projectors work, even if you’re not trying to request the services of a superhero.
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