News tagged with thermal motion

Measuring the smallest vibration

EPFL scientists have used feedback to cool the motion of a micron-sized glass string to near absolute zero. This required building a sensor capable of resolving the smallest vibration allowed by quantum mechanics.

dateAug 11, 2015 in Quantum Physics
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Random walks on DNA

Scientists have revealed how a bacterial enzyme has evolved an energy-efficient method to move long distances along DNA. The findings, published in Science, present further insight into the coupling of chemical and mechanical ...

dateApr 19, 2013 in Cell & Microbiology
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Physics at the threshold of hearing

(Phys.org) —The mammalian auditory system is one of the most sensitive detectors found in nature. Two kinds of cells, the inner and outer hair cells, work together to transduce mechanical vibrations into action potentials. ...

dateApr 10, 2013 in General Physics report
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