Posted by Turkeyfoot on March 11, 2022 at 06:25:33 from (174.210.128.30):
In Reply to: Fertilizer problem? posted by larry@stinescorner on March 11, 2022 at 04:24:02:
We usually get a couple of deliveries of liquid helium from Matheson each year to cool our super conducting magnets on nuclear magnetic spectrometers where I work. We have a contract with Matheson and buy a lot of gasses. Yesterday we were told that, even with a contract, they are limiting all liquid helium sales to medical facilities only (it's used to cool the magnets in mri's). A Lot of helium came from the Russian state - owned company called Gazprom. Without liquid helium a lot of chemical research will be interrupted. In early 20th century the He came from wells in the u.s. It was our own embargoes on Germany that caused them to fill their derigibles with hydrogen and led to the Hindenburg disaster.
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Today's Featured Article - The 8N and the Fox - by Zane Sherman. Dec. 13 1998, Renfroe, Alabama. Last niht I dreamed about the day that I plowed the field of about 10 acres over on what Jimmy and Dandy called the Ledbetter field. I was driving the 1948 8N Ford tractor that Jimmy bought in 48 new This was prebably in about 1951 and maybe even befor the house was built. This would have made me to be about16 years old and I drove the tractor for nothing and would have paid to drive it if I had had any money which I didn't, but neit
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