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Could You Charge an iPhone with the Electricity in Your Brain?

Ever since Morpheus explained how the machines use humans as batteries in The Matrix, we’ve been fascinated by the idea. But can the human body actually generate enough current to do anything useful? We decided to find out, by asking experts how long it would take a human brain to charge an iPhone. » 8/12/15 11:50am 8/12/15 11:50am

IKEA's Wireless Charging Is Almost Like Having Magic Furniture

Cheap and easy wireless charging sounds like Nikola Tesla’s fantasy brought to life. It’s downright futuristic to think your smartphone could suck up juice just by placing it near a power source. And that’s exactly what IKEA wants to do with its new wireless charging devices. Yes, that IKEA—the Swedish furniture… » 6/30/15 3:50pm 6/30/15 3:50pm

The Forgotten Story of NYC's First Power Grid

Lower Manhattan of the 1880s was a wonderland of futuristic technology and engineering: The city's first cable car arced over the harbor. A spindly new steel bridge was forming to connect Williamsburg to the city. And on the Lower East Side, Edison was tearing up the streets to build the first permanent power… » 1/26/15 4:13pm 1/26/15 4:13pm

California's Grid May Soon Store Energy in Giant Ice Packs 

California wants better batteries, which is why the electric company Southern California Edison is planning a set of, let's say, unconventional energy storage solutions, including huge 450-gallon ice packs. Why? It all has to do with a little-known problem with California's wind-reliant electric grid. » 12/22/14 4:55pm 12/22/14 4:55pm

Your Cable Box Is an Energy-Sucking Monster (But It Doesn't Have to Be)

An innocent little cable box can suck up more electricity than your actual TV. The most galling part though? Up to two-thirds of its power-hogging actually happens in "idle" mode, when you're not even using it. The good news is, device makers have the technical ability to make cable boxes that don't waste so much… » 12/03/14 12:00pm 12/03/14 12:00pm

This Kid-Proof Outlet Wouldn't Power Up Until You Plug Something In

Any household with small roaming humans inevitably has to block its electrical sockets from tiny probing fingers. But most of the childproof measures out there—plastic plugs, sliding faceplates—can still be impregnated by determined hands. This outlet prototype wouldn't supply any electricity to its sockets until a… » 11/19/14 5:40pm 11/19/14 5:40pm

This Was An Electric Razor (And Face Massager!) in 1926

As electricity invaded American homes in the 1920s, everything imaginable was becoming electrified. From electric clocks and coffee percolators to electric dishwashers and stand mixers, every gadget was going electric. Even the sacred ritual of shaving one's face was getting the electric treatment, as you can see in… » 11/03/14 3:12pm 11/03/14 3:12pm