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February 5th, 2007
Method for measuring small masses created
Abstract:
Some scientific equipment only works under special conditions, but now U.S. scientists show how very small masses can be measured under normal conditions.
The device built by Michael Roukes and colleagues at the California Institute of Technology relies on a mechanical cantilever that vibrates -- just like an extremely small diving board. Moreover, when an object lands on the cantilever, the natural vibration frequency changes by an amount proportional to the mass of the object, thereby enabling it to be weighed.
Source:
upi.com
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