Energy & Green Tech

Research pinpoints factors for better battery design

You've probably experienced the dread of a suddenly dead phone that is glacially slow to recharge. Add to that earbuds or laptops that die at the most inconvenient times. And perhaps you've delayed shopping for an electric ...

Energy & Green Tech

Why is it so hard to make batteries smaller and lighter?

Flat coin cell batteries (the kind used in watches) have been around for decades. But the combination of solid and liquid components makes it very hard to see how the components fail inside these batteries.

Security

A surprisingly simple way to foil car thieves

Skyrocketing vehicle theft rates in some U.S. cities have drawn attention to an inconvenient truth: the increasing amount of technology in our vehicles can make them increasingly vulnerable to hacking or theft.

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