News tagged with tiny particles

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Quantum steps towards the Big Bang

( —Present-day physics cannot describe what happened in the Big Bang. Quantum theory and the theory of relativity fail in this almost infinitely dense and hot primal state of the universe. Only an all-encompassing ...

dateSep 03, 2013 in Quantum Physics
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Study sheds new light on why batteries go bad

A comprehensive look at how tiny particles in a lithium ion battery electrode behave shows that rapid-charging the battery and using it to do high-power, rapidly draining work may not be as damaging as researchers had thought ...

dateSep 14, 2014 in Nanophysics
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Proving nanoparticles in sunscreen products

Loads of cosmetics like sunscreen lotions contain titanium dioxide. These nanoparticles are contentious. Experts suspect they may have harmful effects on people and the environment. But it is difficult to prove that the particles ...

dateAug 03, 2015 in Bio & Medicine
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Weighing nanoparticles at the attogram scale

MIT engineers have devised a way to measure the mass of particles with a resolution better than an attogram—one millionth of a trillionth of a gram. Weighing these tiny particles, including both synthetic nanoparticles ...

dateJan 13, 2014 in Nanophysics
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