academic physics science education disciplines line icons set, sign and test instruments simple sign

quantum mechanics thermodynamics electromagnetism relativity particle physics atomic nuclear optics astrophysics fluid solid state acoustics plasma superconductivity cosmology black holes gravitational waves dark matter field theory special string condensed geophysics medical materials science nonlinear biophysics statistical chaos high energy astrophysical jets neutrino oscillations exoplanets magnetic resonance imaging mri photoelectric effect scattering radiation therapy holography boseeinstein condensate superfluidity fractals electroweak carbon nanotubes cosmic inflation neutron stars cern academic education disciplines line icons set vector sign test instruments simple sign