Daniel Gabriel Fahrenheit – Thermometer inventor
Daniel Gabriel Fahrenheit – Thermometer inventor – In 05.24.1686 was born physicist and inventor, Daniel G. Fahrenheit. He invented the mercury thermometer and developed a temperature scale, called his name. Produced thermometers, barometers and altimeters. He described the phenomenons of supercooling water and dependence of boiling water and pressure.
Copper cube cryostat – Cryostat construction
Copper cube cryostat – Italian researchers from the Institute of Nuclear Physics (INFN). Put the copper cube with a volume of 1 m³ and 400 kg in a special cryostat designed so that extremely cool down items. This is the first cryostat, which maintains the temperature course barely above the absolute zero (0 Kelvin = -273.15 ° C). In the case of copper cube thermometer stopped just 6 milikelwinach, or 0.006 degree above absolute zero.