Carbon dating acuracy

23-Aug-2017 17:20

Just about all processes depend on temperature because heat makes molecules move or vibrate faster, resulting in faster chemical reactions. When substances are cold, the processes within proceed more slowly, as in chilled or frozen foods.It does not surprise therefore that many ways have been invented to measure and control temperature.

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But its capillary must be wide enough to place the metal floating pins, which means that it cannot be read very accurately (0.5ºC is difficult).

Its principle is simple: a (relatively large) volume of mercury inside a rigid class 'bulb' is warmed and expands into a narrow capillary tube of rigid glass.