Bluetooth allows your devices to communicate with one another using short-range radio waves. With the magic of Bluetooth, you can listen to podcasts while moving from room to room, transfer files ...

Wireless food probes are some the best grilling gear for keeping tabs on meat and other items while cooking. You don't have to dodge cords when you're flipping a steak or trying to wrap a brisket.

Bluetooth uses radio waves because radio waves pass through walls but the signal is weakened on doing so. Optical fibres (visible light to infrared) are used for cable television and high-speed ...