Chemical refrigerants are assigned an R number which is determined systematically according to molecular structure.Common refrigerants are frequently referred to as Freon (a registered trademark of DuPont).hemical refrigerants are assigned an R number which is determined systematically according to molecular structure.
Some Rube Goldberg machines. use a complicated series of actions to simply move an object from. one place to another. Any object that is moving, has what is called kinetic energy; giving. an object more speed means giving it more kinetic energy.
In 1914, a Rube Goldberg Machine was first incorporated into Rube's cartoon strip. The Automatic Weight Reducing Machine was made up of a donut, bomb, wax, balloons and a hot stove.One overweight man was trapped in the machine who apparently had to lose weight to escape.ube Goldberg was an American inventor, engineer, and a Pulitzer Prize winning political cartoonist. Rube invented very complicated and often impractical devices that were know to do the most absurd of actions.