Dictionary

ultraviolet

Variety of electromagnetic radiation with frequencies between a few and a few hundred quadrillion oscillations per second, corresponding to wave-lengths between a few hundred and a few billionths of metres. Known in everyday life as that part of the radiation we receive from the sun that causes our skin to tan

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Einstein Online is a web portal with comprehensible information on Einstein's theories of relativity and their most exciting applications from the smallest particles to cosmology.

Einstein Online is provided by the

Max Planck Institute for Gravitational Physics
(Albert-Einstein-Institut)

About Einstein Online

Includes information on our authors and contributing Institutions, and a brief history of the website.

Glossary

More than 400 entries from "absolute zero" to "XMM Newton" - whenever you see this type of link on an Einstein Online page, it'll take you to an entry in our relativistic dictionary.

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