How do Thermos vacuum flasks work?

THERMOS is a user-friendly, free and open-source software to make heat network planning faster, more efficient, and more cost effective. The software was developed by a team of planning experts & practitioners from universities, local and city-wide authorities, energy and environmental agencies, and specialist consultancies based in the . Explain that StuffThermos flasks were developed by Reinhold Berger and Albert Aschenbrenner, partners in the German glass-blowing company Burger and Aschenbrenner. Dewar had hired the Germans to make the flasks for his own laboratory experiments—and they quickly realized its commercial potential, applying for a German patent ( DE170057: Vessel with double walls enclosing an evacuated cavity ) in 1903. Updated on October 28, 2015. The Thermos is used mainly to keep the temperature of a liquid, either low or high. With this device we can easily enjoy a cup of coffee, tea or any other hot drink anytime and anywhere. For years, it is one of the most important devices in homes worldwide. At the end of February 2022 we were totally flooded and have lost our office as well as the computers and all of our stock. we initially concentrating of salvaging as much of our house as is possible. we are sorry to inform you that we can no longer fulfill orders as we are unable to purchase new stock. The liquid in the flask is kept at a constant temperature by limiting wall interaction with the external environment. A Thermos has two walls with a void area inbetween. The inner wall has a reflecting layer to reflect heat radiation from the recipient’s interior to the liquid. We initially concentrating of salvaging as much of our house as is possible. we are sorry to inform you that we can no longer fulfill orders as we are unable to purchase new stock.