World’s Roundest Object – Redefining The Kilogram The world’s roundest object helps solve the longest running problem in measurement — how to define the kilogram. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Why the metric system matters How healthy are your ears? How To Make Snow Quantum Eraser Lottery Challenge These Just Might be the 5 Scariest Theories Known to Man Bold New Theory On The Origin Of Life