We can directly measure the results that solar forcing had, such as in driving CO2 out of the oceans by heating them up, and the resultant increase in temperature that this increase caused.

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And while amorphous silicon can be turned into crystalline silicon by heating it, the high temperature required causes plastic to melt.

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As you can see in that lead shot up there, the screen intuitively shows the temperature in red when it's heating up, and turns blue when it's cooling.

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In low external temperatures, the battery is quickly brought up to operating temperature with the aid of an electric heating element.

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Typically, the colder it is outside the faster the warm air from inside escapes, which can leave your heating system on all through the day without any noticeable difference to the temperature.

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Heating degree days are a measure of how long and how far the temperature stays below 65 degrees, that being the point at which people reach for their thermostats.

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