 | the Michelson-Morley experiment |
 | early tests of relativity |
 | Millikan's oil-drop experiment |
 | the discovery of the electron |
 | Rutherford's nuclear scattering experiments |
 | the discovery of the neutron |
 | early attempts to understand the photoelectric effect |
 | early attempts to overcome "ultraviolet catastrophe" |
 | Roentgen's early work with x-rays |
 | Sommerfeld's relativistic extensions to Bohr theory |
 | the first maser or laser |
 | London's connection between superfluidity and Bose condensation |
 | the discovery of the transistor |
 | the discovery of fission |
 | gravity waves |
 | neutrino mass and neutrino oscillations |
 | atom lasers |
 | atom interferometry |
 | dark matter |
 | Bose-Einstein Condensation |
 | Fermi degeneracy |
 | world's most accurate clock |
 | evidence for antimatter cloud just outside Milky Way |
 | physics size limits to electronic circuit elements |
 | prospects for commercial fusion reactors |
 | x-ray lasers |
 | proton lifetime |
 | quantum computing |
 | superconductivity |
 | "Schrodinger cat" experiments |
 | Feshbach resonances |
 | modern tests of relativity |
 | parity violation |
 | the search for a permanent electron dipole moment |
 | quantum erasers |
 | the search for spin forces |