Humidity indicator
A humidity indicator is a moisture-sensitive chemical that changes color when the indicated relative humidity is exceeded.
| Humidity and hygrometry | |
|---|---|
 | |
| Specific concepts | |
| General concepts | |
| Measures and Instruments | |
Chemicals
Some chemicals are:
- cobalt(II) chloride (toxic) (blue to pink)
- copper(II) chloride (toxic) (yellow to blue)
Humidity indicator on the lithium-ion battery of an mobile phone
top: before wetting
bottom: after wetting
(battery model: Samsung AB653039)
top: before wetting
bottom: after wetting
(battery model: Samsung AB653039)
gollark: CraftOS, I think, is basically fit for purpose, since it lets you run your own programs without much hassle. It could use a package manager but it's otherwise pretty great.
gollark: Well, it has a GUI (which I don't like personally, but meh), a package manager, and many useful libraries and programs.
gollark: What do you mean "better"? I'm not convinced that any OS actually is really *better* than CraftOS for things people actually use them for, except possibly Opus, primarily due to its good bundled programs/libraries.
gollark: Maybe I should add a hint...
gollark: I was *surprised* by how many people somehow *did not get it*.
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