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 problem ...

As technology advances, more and more delights that once require a trip out in public can now be enjoyed at home. Among the many advances in living room entertainment in recent years has been a ...

This installment of You Asked is a projector-heavy special. There is no better time to do this, given some of the massive TV screen sizes we’re seeing these days, along with falling prices on those ...