Activity for Drag and Drop
Type | On... | Excerpt | Status | Date |
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Question | — |
How to make the Earth red again? An alien entity fell in love with Earth a long time ago. When he came back to her, she looked different. He would like to return Earth to her Hadean eon when she was much hotter. This entity has abilities that are comparable to what we suspect a Kardashev Type 2 civilization would be capable of. ... (more) |
— | over 6 years ago |
Question | — |
Can a human survive acceleration from 0Â km/h to 310Â km/h, and then back down to 0Â km/h, all in 500 meters? I have built a Tchou-Tchou 'hyperloop' wagon that reaches 310Â km/h on a 500 meter test rail. One of my investor customers wants to try the Tchou-Tchou, but I am a bit concerned about his safety. To impress him, the train is configured to reach 310Â km/h with constant acceleration after 250 meters, t... (more) |
— | over 7 years ago |
Question | — |
The other side of the moon! As the moon is tidal locked, she is always showing the same side turned toward Earth. How could I give her a little rotation, allowing us to see the other side, without destroying the earth's current ecosystem? For how long will it turn? At what frequency do I have to repeat the process? (more) |
— | over 7 years ago |