Quote:
Originally Posted by MichiNekoChan
What I didn't notice first time around... in the very first episode, about 23-27 seconds in, the little blood balloons... they have numbers on them? ( I saw 999, 765, 805(?))
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The blood "bulbs" have numbers on them because they're part of a Galileo thermometer. Each bulb within a Galileo thermometer is tagged and you can read the temperature from these tags based the position of the bulbs.
Perhaps temperature changes are significant to whatever is going on and they must by monitored by multiple devices as a result.