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 What Happens Inside a Black Hole ? Accidental Discovery Rebuilds Coral Reefs x40 faster Is it possible to create a perfect vacuum? What The Future of Transportation Looks Like Something weird happens when you keep squeezing 5 Unbelievable Nuclear Versions of Normal Things