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The oil palm is grown as a plantation crop in West Africa, the Far East and tropical America. Examines three developments in oil palm technology which have made an important contribution to agricultural...
Flow in a pipe is used to illustrate laminar and turbulent flow. The Reynolds number is explained as the ratio of inertia and viscous forces, the key Reynolds number of 2500 being given as the limit of...
The mechanism of energy storage and release in the double bonds of organic chemistry; the characteristics necessary for a fluorescent molecule to be capable of practical application.
Looks at the way a molecular structure can build up through the repeated unit cell into a crystal lattice. Explains the main types of bonding which produce different types of crystal structure. Also...
Shows how amino acids are joined together to form the peptide chains of a protein molecule; how the sequence of amino acids in a protein is determined and the function of DNA and RNA in the synthesis of...
Shows how Mendel first elucidated the mathematical laws of inheritance. It explains how the passage of dominant and recessive characteristics from one generation to another depends on discreet particles of...
After illustrating the extraordinary properties of water the film shows in animation how hydrogen and oxygen combine and examines the atomic structure of the water molecule, considering electrons first as...
Shows how water provides a stable environment for biological activity. Examines the related processes of diffusion and osmosis by which water carries nutrients to living cells and waste products from them...
The surface tension of water and its effects; molecular structure of soap and synthetic detergents; their action in reducing surface tension and thus removing dirt and grease from fabrics.*
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