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Frost formed on the part of my car that was under the open sky but not the part under the roof
Posted by Allison Bailes on February 24, 2020
On Saturday morning as I was heading out for a run at the Chattahoochee River, I found my car in the condition you see in the photo above.  Let's ignore the reason I was parked half in and half out of the garage and focus on the frost instead.  As you can see, the frost appeared only on the back...
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Lake Fryxell on Antarctica will never reach absolute zero (photo by Joe Mastroianni, National Science Foundation, in the public domain)
Posted by Allison Bailes on November 28, 2017
Thermodynamics is a big subject. It's complex because you can get to the same conclusions in multiple ways. Just take a look at the different formulations of the second law of thermodynamics. In addition, the laws are macroscopic, meaning we don't need to know anything about atoms or molecules to...
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Second law of thermodynamics
Posted by Allison Bailes on November 16, 2017
The first law of thermodynamics is one of the more well-known laws of physics, especially in its generalized form of conservation of energy. It provides us with the power to see through stupid ideas and scams. It's so important, in fact, that even Homer Simpson invokes the laws of thermodynamics...
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hvac furnace atmospheric combustion burner dragon heating capacity
Posted by Allison Bailes on November 15, 2017
Today we take the next step on our stroll through the laws of thermodynamics. As you know from reading the first part of this series, the numbering of the four laws begins with zero, so here, in the second part, we discuss the first law of thermodynamics, which is actually the second of the four....
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water ice cube bizarre property
Posted by Allison Bailes on November 14, 2017
Building science is an odd subject. Few colleges and universities teach it. The majority of those who work on buildings call themselves engineers, architects, and contractors, not building scientists. And many of those who do invoke the term can explain at least one formulation of the second law of...
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