Einstein's famous Theory of Relativity is described in simple non-mathematical terms. It is one of the great ideas of 20th Century science.
The Quantum Theory is another great idea of 20th Century science. This is a brief introduction with no mathematics.
A historical account of the discovery of the electromagnetic spectrum and its uses in Astronomy. Radio waves, infra-red, visible light, ultra violet, X-rays and gamma rays are explained.
An overview of the four states of matter: solid, liquid, gas and plasma. Explanations of crystals, conductors, solutions, the gas laws, phase diagrams and much more.
An introduction to the world of leptons, mesons, baryons, quarks and the quantum laws and forces that control them.
An introduction to low temperatures and the lowest possible temperature.
A reference for the world standard system of measurement, the Metric System. Also included are values for important physical constants and conversion factors for the few countries that do not use the metric system.
KryssTal Related Pages
Essays on astronomy, the study of the Universe.
Essays on chemistry, the study of the interactions between different substances.
Essays on mathematics, the study of number and relations between them.
External Physics Links
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The latest physics news and links to lots of physics sites. Some excellent reference material.
School resource site for various ages.
is an excellent educational resource for children, full of interesting information.