A stylish home cinema smart projector with a novel five-channel dual-light optical engine and Dolby Vision? The Horizon Ultra went on sale late last year, and when I was recently given the opportunity ...

Despite being the world’s biggest-selling projector brand for nearly a quarter of a century, Epson arguably hasn’t made quite the sort of impact on the currently trending portable home entertainment ...

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 ...