Researchers discovered how to stabilize a high-performance sodium compound, giving sodium-based solid-state batteries the ...

Fitbit has announced a voluntary recall of its Ionic Smartwatch amid more than 170 reports that the battery has overheated, causing more than 100 reports of burn injuries. Fitbit, a U.S. fitness ...

"My hair has never looked this smooth ever unless I professionally get my hair done." TheStreet aims to feature only the best products and services. If you buy something via one of our links, we may ...

The right hair dryer can mean the difference between a good hair day and a bad hair day. Ionic hair dryers have become all the rage because they limit heat damage to your hair, reduce your drying time ...

Ryan is a tech/science writer, skeptic, lover of all things electronic, and Android fan. In his spare time he reads golden-age sci-fi and sleeps, but rarely at the same time. His wife tolerates him as ...

The Ionic is Fitbit's first real effort at a "true" smartwatch, and there's plenty riding on the $300 device. Not only is the activity tracker company late to the smartwatch game, its market share in ...

Half a year back, my daughter suddenly stopped sleeping through the night, meaning that my wife and I stopped sleeping as well. No fancy bedroom gadget, or anything else, has alleviated the terrible ...