Activity for Exerionâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
How long can a power plant continue to generate electricity without maintenance by people? The situation is as follows: there is a city with different districts, each provided with electric power from a different power plant: Thermal power plant nuclear power plant Hydroelectric power plant Wind power plant Solar power plant All the people have disappeared at the same time, in the midd... (more) |
— | almost 8 years ago |
| Question | — |
You need to disguise a manual as the diary of a madman. How? Let's say you are creating secret instructions for a new, very dangerous weapon. You have decided to encrypt the instructions. But you do not want anyone to guess that these notes are encrypted! So you want to make sure that it does not look like a coded message, but instead as a diary of a madman. ... (more) |
— | about 8 years ago |