A box that makes drinkable water out of the air and hydrofoil drone tech have emerged at defense shows. Plus, an interview ...

It’s been a year since the duo entered the US Army’s troubled augmented-reality contest. Here’s what it looks like so far.

In a bid to make its AI DJ feel more interactive, Spotify is updating the feature to allow users to request music or change the mood of a playlist using voice commands. The company is rolling out this ...