Scientists have found that molecular oxygen around comet 67P is not produced on its surface, as some suggested, but may be from its body.
Jul 03, 2018 in Space Exploration
In the photoelectric effect, a photon ejects an electron from a material. Researchers at ETH have now used attosecond laser pulses to measure the time evolution of this effect in molecules. From their results they can deduce ...
Jun 22, 2018 in Optics & Photonics