I didn’t expect a Google TV projector to change my nightly routine, but the XGIMI Mogo 4 proved how convenience can reshape ...

If you had an array of high power addressable LEDs, how would you project them onto a wall? Perhaps you’d use a Fresnel lens, or maybe an individual lens on the top of each. [Joo] faced this ...

With all of the do-it-yourself guides on how to build a projector screen for cheap, you'd think it's a no-brainer. As it ...