Activity for Matt W
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
What would birds look like if they used buoyancy to fight gravity? What would birds look like if they did not have to fight gravity to fly? The question comes from the premise put forward by some that gravity is not real and that what holds us down is pressure caused by density. Obviously, this is not the case, but if it were, how would it (yes, conceptually) affe... (more) |
— | almost 6 years ago |