| Query | User |
|---|---|
| bizarre stuff and fun with electromagnets | entered by user 11405778 |
| coal garden | entered by user 6049565 |
| help on telephone binding post wiring | entered by user 66674 |
| how to hard boil and egg without a black ring | entered by user 5817743 |
| how to make slime at home | entered by user 6098365 |
| lemons and electricity | entered by user 4685074 |
| lemons and electricity | entered by user ditto |
| old time brass binding posts | entered by user 800724 |
| pen crystal radio | entered by user 2121171 |
| simple steam engine | entered by user 3590021 |
| sugar cubes | entered by user 2462662 |
| the electric lemon | entered by user 4128834 |
| thomas edison phonograph | entered by user 2182537 |