Tag: proton

The Most Sensitive Scale Ever Can Measure The Mass of One Proton

By Sarah Zhang | April 4, 2012 9:45 am

spacing is important

The smallest named unit in the metric system is the yoctogram, equal to 0.000000000000000000000001 grams. (Yes, that’s 24 zeros.) For a scale that can measure differences in mass as small as a yoctogram, which is on the order of the mass of a proton, physicists writing in Nature Nanotechnology turned to the wunderkind of nanotechnology: carbon nanotubes.

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CATEGORIZED UNDER: Physics & Math
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