[–] Melissus 0 points 0 points 0 points (+0|-0) 2.8 years ago
Yes,they can emit when there is a medium to convey the heat dont you understand.Without changing wavelength to ir and without a medium to transfer to you cant get rid of the heat.
[–] 11909473? 0 points 0 points 0 points (+0|-0) 2.8 years ago
EM and Photon's travel in vacuum!
[–] 11909473? ago
EM and Photon's travel in vacuum!