The holiday travel season is almost here, and if you don’t want yours to start with a major headache, you are going to want ...

Is it OK to check your phone’s power bank? Can you charge your tablet in the overhead bin? What about a cordless hair dryer?

Open one of your iPad’s analytics files (these files start with “Analytics” followed by a date). In the analytics file, tap ...

As new and promising battery technologies such as solid-state, lithium-sulfur, graphene and zinc-air batteries come to market, new test systems must adapt to evolving battery chemistries and ...

Confused by kilowatts? Can’t tell an anode from a cathode? Here is a simple guide to the jargon likely to be tossed around at Tesla’s Battery Day on Sept. 22.