Posted by Deutz Lover on March 11, 2022 at 09:31:06 from (66.172.80.74):
In Reply to: Fertilizer problem? posted by larry@stinescorner on March 11, 2022 at 04:24:02:
Over half of the helium reserves are located in the US. The rest is spread over Russia, Qatar, Australia, Poland, and Algeria. Since it is a noble gas it cannot be created de novo in a lab by reducing some compound. Kansas wells were one of the early sources. There are about 16 extraction plants in the U.S. Helium is normally found in varying amounts in natural gas and is produced as part of the purification process. It is believed that the helium in the wells is the product of radioactive decay. Some exists from earlier times.
Remember that helium is the first reaction product of nuclear fusion that drives the furnace of the sun. Once the hydrogen is used up other elements are produced from further fusion making heavier and heavier elements until iron is produced and that marks the beginning of the end for a star. Even heavier elements are produced when a star goes super nova. We are star dust.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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