Discover how frequency combs, specialized lasers with evenly spaced frequencies, enable precise light frequency comparison ...

We developed our first comb made from recycled plastic waste three years ago, initially taking three hours to produce one comb. Demand for our combs led us to seek a faster production method. Instead ...

The rapper formerly known as Kanye West, one of the few celebrities to publicly defend Mr. Combs, was denied access to the courtroom and briefly watched on closed-circuit video. By Ben Sisario Julia ...