Light exerts a certain amount of pressure onto a body: sun sails could thus power space probes in the future. However, when light particles (photons) hit an individual molecule and knock out an electron, the molecule flies toward the light source. Atomic physicists have now observed this for the first time, confirming a 90 year-old theory.
from Top Technology News -- ScienceDaily https://ift.tt/30JE2Z7
Monday, 15 June 2020
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