It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
A double-walled carbon nanotube NEMS
has been used to measure the mass of a
single atom of gold. Atoms landing on the
tube change the tubes resonant
frequency in proportion to the mass of the
atoms, much like what happens when a
diver hits a springboard.