They’re called Helios, naturally. They’re wireless and batteryless, too. A full description at Gizmag.
You may also like
A Japanese company will hitch a ride to the moon one one of Elon Musk's SpaceX missions next year...
We've rounded up some of the weirdest gadgets you'll see at CES this year. What do you think?
Let's talk about the lyrics of Gord Downie and what they've taught us about Canada and its history.
Need help writing a song? Well, we've found an AI app for exactly that.