Why your laptop charger is so hot Turns out, Nikola Tesla is partly to blame. Liz Scheltens explains, with a little help from NPR’s Planet Money. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Full Tour Of The Space Station in HD Science Explains Why Rich People Don’t Care About You Discover Saturn’s Mysterious Moons Saturation Divers Live Under the Sea for Weeks How Earth Moves Was There A Nazi Moon Landing?