| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| If you whip up a fresh batch of thorium-232 today, in 14 billion years this portion of its atoms will have decayed | half DD | $2,000 | DJ | PHYSICS | 2005-01-03 | #4681 | |
| If the length of 1 side of a seesaw is doubled, the force needed to keep balance is reduced by this | one half | $400 | DJ | PHYSICS | 1988-09-05 | #916 |