Item explaining gears and levers.
Diagrams and film items illustrate the use of gears and levers. Includes girl on seesaw lifting men on the other end by positioning of lever. M/S of car gear box. Various old gears on show at Kensington Science Museum.
Experiments using electricity to shatter different kinds of materials.
A look at how the latest chemical compounds can be used in the fashion industry.
Footage of Scientist experimenting with coal dust in laboratories.
Machines which make "man-made lightning" are demonstrated.
Item about the skin of the human body.
Ghostly white shapes emerge against a black background - no soundtrack.
Men working on developing the laser beam in Germany.