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 Where Does Our Water Come From? How A Satellite Can Prove Einstein’s Theory Of Relativity The Mysteries of Chinese Alchemy What Nano Technology Is Capable of Producing How Undersea Cables Are Laid How WW2 Mathematecians Solved German Encrypted Codes- The Enigma Machine