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.
Check it out:
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.
Check it out: