Humidity - arguably the most important factor in deciphering how pleasant a day will be. We all know 90 degrees with high humidity and 90 degrees with no humidity is a different ball game. The ...

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Dew point/relative humidity questions come up fairly often and this is a good one. Water vapor in the atmosphere is pretty important for deep-sky observing and photography. The atmosphere can only ...

Like lock and key, cooling and humidity come as a pair. Controlling the humidity of your racks is just as important as controlling the temperature. However, humidity is often the forgotten half of the ...