When the power goes out, scrambling for a flashlight can be frustrating. Light bulbs with backup batteries solve this by providing light even during an outage. These innovative bulbs charge their ...

I’ve also treated the topic of LED illumination more conceptually; take, for example, this piece from more than seven years ago that analyzed LED and CFL light bulbs as potential successors to ...

Chinese device maker TCL’s most anticipated phone of Mobile World Congress is probably the BlackBerry KeyOne, which was unveiled Saturday. But TCL also makes and sells phones under the Alcatel brand, ...