Prime Day ends tonight and deals keep getting better from Apple, Kindle, Dyson and more. We're tracking prices live to bring you the best, most worthwhile deals.

In this paper, two K band antenna elements which consist of proposed semi-elliptical capacitive coupled and magnetic dipole patch antennas are designed and investigated for beam steering applications ...

The $350 Ultrahuman Ring Air calculated my brain age and showed me what I needed to do to improve it.

Fourth of July sales are here. Shop the best deals from Yeti, Apple, Dyson, Samsonite and more.

While I have a few quibbles with Nothing's first over-ear noise-canceling headphones, I was more impressed with them than I expected to be.