it was made in 1892 by ben hebberd by Sarah wood bexhill
Sound is formed in a thermo flask primarily due to the vibrations of the flask's materials when they come into contact with or are affected by sound waves. The inner and outer layers of the flask can resonate when exposed to sound, creating vibrations that travel through the air or the flask's materials. Additionally, if there are liquids inside, the movement of those liquids can contribute to sound production. However, the design of a thermo flask, which aims to minimize heat transfer, often limits sound transmission.
From the scientific material sellers. eg:Borosil,Thermo scientific etc
who invent the florence flask
Paul E. Cope invented Thermo plastic glue also known as "Hot Glue" it is used in Hot Glue guns.
1892
Ben hubberd Ben hubbardSir James Dewar invented the vacuum flask.
The ice cubes will help to keep the contents of the thermos flask colder for a longer period of time. The thermos flask's insulation will prevent heat transfer from the surroundings, helping to maintain the temperature of the ice cubes and the contents of the flask. Over time, the ice cubes will melt and help to cool the contents of the flask.
Scottish scientist Sir James Dewar invented the vacuum flask in 1892.
It helps to insulate the thing inside the thermo flask. The heat or coldness outside the flask gets reflected away. It might sound silly but it is true
James Dewar
Sir James Dewar
James Dewar invented the Dewar flask in 1892, a type of vacuum flask that can keep its contents hot or cold for long periods of time. He also worked on the liquefaction of gases and was known for his research in cryogenics.