There are lots of inexpensive home projectors these days, but most of the cheap ones aren’t very high resolution. DIY Perks shows us how he built his own that has the same 4K resolution as the ones in movie theaters, using entirely off-the-shelf components, including a bright 100-watt LED and an LCD panel from a smartphone.
THE BEST Mirrors
A holoscope is a mirrored box you can peer into and view kaleidoscopic images which reflect off of its walls. In this clip from Vitalius Space, he shows us how to build a simple cube-shaped holoscope which produces an infinite starry sky effect inside. With enough skill and patience, it’s possible to build more complex versions.
Adafruit Industries produces some really nifty components for making electronic gadgets. In this video, they show how their NeoPixel LED strips can be used with a one-way mirrored sheet, acrylic, and some 3D-printed bits to make an infinity mirror you can toss in your pocket. Build details and parts list here, and the source code is here.
Located in Hangzhou, China, and designed by XL-MUSE, Zhongshuge bookstore has walls and ceilings covered with mirrors to exapnd its space to depict an inventory of books that rivals the Library of Congress. The kids’ section is especially awesome. (Photos by Shao Feng)
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