Definition
Sir James Dewar was a Scottish chemist and physicist known for his work in cryogenics. He invented the Dewar flask, a container that keeps liquids cold for extended periods. Think of it as the ultimate thermos! โ๏ธ Dewar also researched hydrogen and achieved its liquefaction. His work paved the way for modern cryogenics and has applications in science and technology today. He literally chilled the world!