Related Clues:
- 1950s filmstrip, "Our Friend, the ___"
- Cloud chamber bit
- Lithium-__ battery
- Particle in a cathode ray tube
- Fermi's tidbit
- It's tiny and attractive
- It has a plus or minus, in chemistry class
- Accelerator particle
- Accord trailer?
- Fermi's particle
- Discontinued Saturn
- '+' or '-' particle
- Very little bit
- Tiny source of energy
- Altered atom