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We are in the wild and need to know how cold/hot it is. How can we measure the temperature if we don't have any thermometers? Can we build something similar, etc.? It doesn't have to be necessaril...
#1: Attribution notice removed
by
System
·
2020-10-27T17:18:34Z (about 4 years ago)
Source: https://outdoors.stackexchange.com/q/10089 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/