h a l f b a k e r yMake mine a double.
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Inspired by [phoenix]' idea. Make a fish from glass and balance its weight like the balls in a Galileo thermometer (link). It only takes one fish, the user trims it following simple (?) instructions to match the desired temperature of the aquarium. Put the glass fish into the aquarium. When the temperature
gets too high the fish floats belly up at the surface first, before the other fish suffer.
Galileo thermometer
http://www.howstuff...com/question663.htm
[kbecker, Oct 05 2004, last modified Oct 21 2004]
[phoenix]' idea
http://www.halfbake...m_20for_20fishtanks
[kbecker, Oct 05 2004]
[link]
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*sigh*
So much better than my idea. |
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Given that so much more than the temperature can be wrong, can we also have the color of its body indicate acidity and the color of its tail indicate harmful bacteria? |
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In fact, can we have it bluetooth the environmental conditions to our PCs? |
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Swimmingly good idea. But I'd also really like to see a traditional Galileo Thermometer that sported multi-colored fish-shaped weights. I'm not a customer for the aquarium, but I'd buy three of the custom made fish thermometers in a heartbeat. That's novel, useful, wry, and universal. |
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excellent and I love the docs add ons. |
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[DrCurry] You want to lure me onto the thin ice of magic, but as you already point out some body parts can be used as indicators. Acidity, oxygen content, I don't know about a reversible indicator for bacteria. It would be fun to have a sightly different color every now and then (not too much off because that would indicate a problem). |
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Bluetooth may not work because the water shields RF. |
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Great idea for noble cause (+) |
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