Bella the rat learns about energy
https://drive.google.com/file/d/1Gn7pGadUrkWJ-61OZf6JbUynCkcFGIAZ/view Rudi Goldberg was the inspiration for some year 9 students who built their own machines. This rat is so cute and understands just like there human that energy can be transferred from one object to another. They could almost…