Meet the world’s roundest object… it’s perfectly flawless.
The sphere is made out of a single crystal of silicon-28 atoms, and it’s purpose is to help solve the longest running problem in measurement: How to define the kilogram.
The kilogram is the only base unit with a prefix in its name, and the only one still defined by a physical artifact, the international prototype kilogram or IPK.
Roundest object in the world
Check it out…. the video is kinda long, but it has some really interesting information.
Pretty interesting stuff huh? Let us know what you thought below and don’t forget to give this a like and a share on Facebook before you go! (via Veritasium)