Vacuum Jar

Vacuum Jar

Vacuum Jar A vacuum jar(or vacuum sealer, vacuum container) is a container that can remove air using a pump. Originally, vacuum jars were made as kitchen utensils to help meat soak in seasoning. Now, they are … more

Galileo’s Pump Problem

Galileo’s Pump Problem

Galileo’s Pump Problem A duke living in Tuscany, Italy, in the 17th century installed a well in the courtyard of the palace. But, the duke saw the pump fail to pull water up. The Duke asked … more