Activity for Philip Thomasâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Building a road to escape Earth's gravity by making a pyramid on Antartica If you have miles of steel pipes 10m thick, could you pump water from the sea to the centre of Antarctica, then pump it into the air like a geyser so that it falls around the pipe. As the fallen seawater freezes and makes a cone, extensions are added to the pipe to raise the height and more water is ... (more) |
— | over 5 years ago |