Activity for Dmitry Grigoryevâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Answer | — |
A: How to test the sharpness of a knife? If you're sharping the knife outdoors (where a tomato is not available), a good test is to wield it perpendicularly to a grass stalk and see if the knife cuts it off. (more) |
— | over 5 years ago |
| Answer | — |
A: I am lost, I found a trail, which way do I go? If you pick a direction at random and the go back and forth covering twice as big a distance every time before you turn around, you will walk about 4 times as much to your destination compared to a case where you picked the right direction from the start. If you pick a direction and stick to it, you'... (more) |
— | almost 6 years ago |
| Answer | — |
A: Should I run if I see wild dogs? I'd say the only circumstances where you could try to run is when a safe place is near (your car, some kind of shelter, a tree you can climb etc.), the dogs are already alert and running to you (otherwise you could just walk to the shelter without them noticing), and you can realistically make it to ... (more) |
— | about 9 years ago |