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Science


Anthropology, Archaeology, Astronomy, Chemistry, Geography, Mathematics, Physics etc.



795 photos
Gravitation field experiment illustrating Albert Einstein's theory of gravitation.
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Gravitation field experiment illustrating Albert Einstein's theory...

In a Wilson Chamber, plutonium alpha particles are given off as the air is saturated under extremes of hot and cold. This experiment proves that energy is loss of matter.
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In a Wilson Chamber, plutonium alpha particles are given off as the air is...

Experiment conducted in a train to determine one of the Theories of Relativity which concerns direct uniform motion.
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Experiment conducted in a train to determine one of the Theories of R...

Einstein's theory of Relativity: there is no absolute time. Time is a function of the movement of planets. No interval of time is independent of the system to which it is referred. A clock attached to any moving system runs at a different time from a stationary clock
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Einstein's theory of Relativity: there is no absolute time. Time is a function...

Clock illustrating Albert Einstein's theory of the speed of light and relativity. Theory says that time is relative, the only absolute is the speed of light.
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Clock illustrating Albert Einstein's theory of the speed of light an...

Reconstruction of the original Moessbauer experiment used to prove Albert Einstein's theory that time is relative.
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Reconstruction of the original Moessbauer experiment used to prove Albert Ein...

First laser built in the U.S.A. Experiments with this instrument proved Albert Einstein's theory of direct and uniform motion.
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First laser built in the U.S.A. Experiments with this instrument proved A...

A model of an early sewing-machine invented by Joseph Madersperger, 1768-1850, the son of a tailor.
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A model of an early sewing-machine invented by Joseph Madersperger, 176...

An early model of a typewriter, 1864, invented by Peter Mitterhofer, a carpenter.
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An early model of a typewriter, 1864, invented by Peter Mitter...

One of Johann Kravogl's (1823-1899) "Power Wheels". Kravogl invented a direct current electric motor.
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One of Johann Kravogl's (1823-1899) "Power Wheels". Kravogl invented a direc...

Marcus Motor, model 1888, with brush carburator and exhaust heating system, invented by Siegfried Marcus (1831-1898).
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Marcus Motor, model 1888, with brush carburator and exhaust heating system, inve...

Marcus Motor, model 1888, with brush caburator invented by Siegfried Marcus (1831-1898).
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Marcus Motor, model 1888, with brush caburator invented by Siegfried Marcus (183...