Subject
Physics.
16
Nuclear physics.
3
Astrophysics.
2
Atoms.
2
Electrodynamics.
2
Microscopy.
2
Optics.
2
Spectroscopy.
2
Acoustics.
1
Astronomy
1
Astronomy.
1
Condensed matter.
1
Cosmology.
1
Heat engineering.
1
Heat transfer.
1
Industrial engineering.
1
Low temperature physics.
1
Low temperatures.
1
Mass transfer.
1
Materials science.
1
Nuclear chemistry.
1
Observations, Astronomical.
1
Popular works.
1
Structural materials.
1
Thermodynamics.
1