friction
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| How Do Rattlebacks (“Celt Stones”) Reverse Their Spin Direction? |
|
0 | 177 | 31 July 2023 |
| “Turning Point—The Story of Bearings” |
|
8 | 802 | 30 April 2023 |
| How Does an “Endlessly Spinning Top” Work? |
|
0 | 322 | 4 August 2022 |
| How Does a Gyroscope Rise Against Gravity? |
|
0 | 295 | 31 March 2022 |