Imagine the time before 1650, and there were still no vacuum pumps. At that time, people had no idea how they would get rid of gas from a sealed volume to create a partial vacuum, which would then be filled … Read the rest
Imagine the time before 1650, and there were still no vacuum pumps. At that time, people had no idea how they would get rid of gas from a sealed volume to create a partial vacuum, which would then be filled … Read the rest