| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| A CERN document calls it a material "composed of electrically neutral particles that can... flow without friction" | a superfluid | $2,000 | DJ | IT'S PHYSICS! | 2024-11-26 | #9212 | |
| When helium-4 is cooled below 2.17 K, it becomes a "super" this, able to comb walls & flow frictionlessly | a superfluid | $1,200 | DJ | PHYSICS | 2018-05-24 | #7769 |