The Basic Physics of the Kilogram's Fancy New Definition Ifeadi C. 00:03 Feed: All Latest, Zero Tech Blog The kilogram is now based on energy changes in the quantum world rather than a physical object. Here's how that works. via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsGemma Whelan's Audition for Yara on 'Game of Thrones' used the most uncomfortable sceneA short list of executives who made less money than Anthony Noto last yearBehold, the true face of Pepsi, Kendall Jenner revealed in sci-fi remixBasically every college student has Netflix (but guess how many pay for it)Your AirPod case could become a waterproof, wireless charging station for all the devices in your pocketGig economy stalwart TaskRabbit is contemplating a sale