| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Menlo Park, California has a 2-mile-long linac, short for this structure, to crack the secrets of matter | a linear accelerator | $2,000 | DJ | PHYSICS & ENERGY | 2023-06-15 | #8894 | |
| It will be an oval-shaped concrete tunnel, 53 miles around, in which speeding atoms crash into each other | accelerator | $400 | J | PHYSICS | 1988-06-10 | #885 | |
| Also called a "linac", it's an apparatus for accelerating ions to high energies | a linear accelerator | $500 | J | PHYSICS | 1988-03-03 | #814 |