invention
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Inventions and attempted inventions |
|
15 | 489 | 16 2024 |
| Make It Sew—the Inventors and Inventions behind the Sewing Machine |
|
2 | 295 | 12 2024 |
| Three-Phase Power: Nikola Tesla v. Mikhail Dolivo-Dobrovolsky |
|
4 | 659 | 1 2022 |
| Who Invented the Mouse “Snap Trap”? |
|
1 | 323 | 5 2022 |