Under certain conditions, hot water will freeze before cold.That has been known for thousands of years. Noboby yet as proven WHY it happens. Personally, I've seen it happen many times when fixing plumbing in houses with unheated crawl spaces. Most of the time, the hot water pipes freeze first, not the cold water pipes.
One situation where some people have tried to explain it is with the "Mpemba Effect."
It has been proven to happen over and over by scientists, but "why" it happens is still theory.
The latest theory I've heard about is the following:
"Now Jonathan Katz, a physicist at Washington University in St. Louis, has come up with a new hypothesis. Katz's explanation hinges on the presence of solutes. or dissolved substances, in water. "Hard" water contains more solutes than "soft" water does "
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Today's Featured Article - Box Plow Blues - by Tom Schwarz. One of the first implements most tractor owners obtain is the box plow. For very little money, this piece of equipment promises to plow and flatten any hill or vale on your ranch road or farm. At least that's what I thought! As simple as a box plow appears, it can be rather challenging to make work correctly. In our sandy soils of Florida, traction is king. You can never have wide enough tires or heavy enough weights to get all the traction you want … unless you own a monster tractor. U
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