The World's Roundest Object (and Why it Exists)
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The world's roundest object helps solve the longest running problem in measurement -- how to define the kilogram. A kilogram isn't what it used to be. Literally. The name, weight, and definition of a kilogram has been changing constantly since its invention, and the Avogadro Project looks to change that.
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2 Open Answer Questions Dig Deeper Learn More Discuss 2 Guided Discussions &
3 Open Discussions
The Avogadro Project sphere is an attempt to link the definition of the kilogram to a concept rather than an object... but the sphere is an object. How does this make sense?
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