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Submitted by Bryan (not verified) on Thu, 10/07/2021 - 09:27.

An estate agents propranolol gewichtstoename A helium dewar holding 250 liters of helium at -269 degrees Celsius (4.2 Kelvin (4.2 degrees above absolute zero or -452.2 degrees Fahrenheit) is shown at a Quantum Physics laboratory at the University of Chicago in Chicago, Illinois, in this handout photo provided by the University of Chicago and taken on September 18, 2013.

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