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We see insulation all around us. Most mammals are covered in fur, which is one of nature’s forms of insulation (blubber is another). When you go outside on a cold winter day, you put on a coat, which is fashionable insulation. As a general rule, the thicker the coat the more insulation it provides. Up [...]
If you take a look at How Air Conditioners Work you can see that a typical air conditioner is a very simple thing. It has an electric motor that runs a compressor, and everything else in the system is passive – tube on the hot side and cold side, plus an expansion valve.
The only problem with the existing system is that the electric motor needs a lot of electricity to spin the compressor. In the summertime, a sizable portion of the power grid is dedicated to feeding the electricity needs of air conditioners.
Now there may be an alternative that uses a lot less electricity…
When it comes to energy usage, heating and cooling appliances contribute the most to your power bill. Tune in to find out which appliances are the most power-hungry — and why — in this podcast from HowStuffWorks.com.
Nitrous oxide boosts engine power in two significant ways. Find out exactly how nitrous works its magic in this podcast from HowStuffWorks.com.
Your body has efficient ways to release excess heat, but high temperatures and high humidity create a sticky situation. Find out how the heat index keeps you abreast of dangerous heat situations in this HowStuffWorks podcast.
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