A man eating a soup - he blows in direction of spoon to cool the soup as he eats.
A woman walking towards a refrigerator - 'a new way of cooling things'. She lights the fire at the back of it showing the burner. 'If she wants to cool something, she heats it' - says...
Excellent investigation of the difference between straight hair and curly.
Slow motion footage of a speed typist.
Item showing manufacture and use of certain gases.
A look at how atoms form molecules to make up things like salt and ice.
A look at how lenses in the eye and camera work.
A look at the role of shadows in life.
A look at a 14 inch home-made telescope and how it works.
A look at how the depth below a ship is measured.