4 ms·
Recently appeared in this really interesting /r/AskScience thread: https://www.reddit.com/r/askscience/comments/2ycv92/when_light_strikes_a_metal_a_photon_can_e
by theon144 12y ago
Recently appeared in this really interesting /r/AskScience thread: https://www.reddit.com/r/askscience/comments/2ycv92/when_light_strikes_a_metal_a_photon_can_excite_an/ https://www.reddit.com/r/askscience/comments/2ycv92/when_lig...