In this video I see how fast we can get a radiometer to spin by shining the world's brightest flashlight on it. Then I talk about the real reason the Crookes radiometer spins when you shine light on ...

Portronics has introduced the Beem 550 Smart LED projector for the Indian market, aimed at first time buyers who want a big picture without spending television money. The brief is clear. Native 1080p ...

Portronics has launched its latest compact projector, the Beem 550 Smart LED Projector, aimed at users who want an easy-to-use, portable entertainment device. It comes as an upgrade to Beem 540, which ...