2 ms·
Not only just light (photons) but no other radiation as well (electromagnetic, like X or gamma rays), except gravity.
by lloeki 14y ago
Not only just light (photons) but no other radiation as well (electromagnetic, like X or gamma rays), except gravity.
- ordinary 14y agoGamma rays and X-rays are photons.[0] _____ [0] http://en.wikipedia.org/wiki/File:EM_Spectrum_Properties_edit.svg http://en.wikipedia.org/wiki/File:EM_Spectrum_Properties_edi...