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 Searching For Booze Smuggling Tunnels Beneath The Detroit River Brain-To-Brain Communication Finally Achieved! Inside the RFID Stickers from a Chinese Cashier-less Store The Stopped Clock Illusion Earth Has an Expiration Date Why NASA is Experimenting on Twins in Space