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.
A Rube Goldberg Machine is âa comically involved, complicated invention, laboriously contrived to preform a simple operationâ (Websterâs New World Dictionary). Humor and a narrative are what separate a Rube Goldberg machine from a chain-reaction machine. Each of Rubeâs cartoonâs told a story and his entire goal was to get you to laugh. Rube Goldberg, Inc. is dedicated to keeping laughter and invention alive through the legacy of its namesake. Annual competitions, image licensing, merchandising, and museum and