How does one go about measuring the mass of an object? Mass is defined as the amount of matter an object contains. This is very different from weight, of course, as the mass of our object would remain ...
Thank you for bringing to my attention the recent International Union of Pure & Applied Chemistry report “Atomic weights of the elements 2009” (C&EN, Dec. 20 ...
Behold the highest-resolution image of atoms ever taken. To create it, Cornell University researchers captured a sample from a crystal in three dimensions and magnified it 100 million times, doubling ...
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