A physicist explains how atoms arrange themselves into molecules – and how scientists are able to image these tiny bits of matter that make up everything around you.
With the STM, resolving atoms within an adsorbed molecule is difficult because the tunnelling current is sensitive to the local electron density of states near the Fermi level, and this density of ...
In this mind-bending series, Jim Al-Khalili looks at the various sizes in the universe, ranging from the tiniest objects measuring just a few atoms to vast structures consisting of hundreds of ...
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