Screw – Simple machines – Physics
A cider press with big wooden screws What is a screw? People always count screws as a separate kind of simple machine. But really screws are just one kind of inclined plane. [...]
17
08, 2017
17
08, 2017
Simple machines – Physics
An example of a screw, a wedge, a wheel and axle, and a lever Machines are ways to make it easier to do work. Many plants and animals have evolved natural [...]
16
08, 2017
C-clamps and screws projects – Physics
A c-clamp is a kind of screw - this screw project uses one. Observation of screws Get hold of a screw and a manual screwdriver and try screwing the screw [...]
23
06, 2017
Wine-making and wine presses – History
Roman slaves treading grapes Wine-making started out pretty simple: you picked the grapes and put them in a big concrete box, and then barefooted people - usually enslaved people - [...]