curvature
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Tamarack Mines Shaft Experiment - Proves Earth is Concave via Plumb-line Divergence |
|
1 | 41 | December 6, 2024 |
| AM/FM Radio Reveals the True Shape of the Earth |
|
1 | 437 | October 12, 2023 |
| Proof the Horizon is Curving Up? Using oceanfront high-rise buildings to prove earth is concave |
|
12 | 976 | October 10, 2023 |