Read on for gentle, soothing light with fun and friendly designs that help kids feel safe and calm when its time to wind down for the day.

UK researchers shrink atomic fountain clock to 5 percent size, keeping ultra-precise time and making it portable for wider use.

For many years, cesium atomic clocks have been reliably keeping time around the world. But the future belongs to even more accurate clocks: optical atomic clocks. In a few years' time, they could ...

AWOL's latest high-end UST projector was built for massive screens. find out more in this AWOL Vision’s Aetherion Max review.

It's also very expensive. With an MSRP of $3,000, it's practically a dollar a lumen. For that price, it does have a few ...