Can a single atom in vacuum space have a temperature?
2928
Can a single molecule have a temperature?
13251
Does a photon in vacuum have a rest frame?
85593
Is fluorescence from a single atom/ion visible with the naked eye (e.g. in a strongly coupled trap or cavity)
57569
Is there an upper limit to temperature in thermodynamics or statistical mechanics
105194
Quantum properties of objects with zero velocity
8418
Can we make images of single atoms?
50289
The vacuum light speed: Is it really constant, i.e., independent of location in space-time?
12216
Can there be temperature inside of a massive Black Hole?
137850
Friction at zero temperature?
87000
The temperature in space is about 3K, however there are almost no atoms in space. How can there be residual heat?
28165
Why can't a single photon produce an electron-positron pair?
123260
How massive can an atom get?
2191
Is there a maximum amount of photons that can exist in a certain amount of space?
79708
Is the energy density of vacuum uniform in the whole universe?
100638
Why isn't the entropy of gas infinite if there are infinite microstates available?
60084
In a very small static universe with only a particle, does it make sense to talk about time?
59395
What leads to the existence of critical temperature?