Formulas
- Wavelength
- Near-infrared spectroscopy
- Negative-index metamaterial
- Negentropy
- Neutron scattering
- Newtonian limit
- Virtual displacement
- Superspace
- Euler's three-body problem
- Factorial moment measure
- Faddeev–Popov ghost
- Gyration tensor
- ICARUS experiment
- Maxwell–Jüttner distribution
- Principle of locality