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The complete history of the Universe -- from the Big Bang to 200 my into the future

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History of the Universe eBook. 398 pages, 300 illustrations only $2.99

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Brownian Motion

When Robert Brown observed the rapid random motion of pollen grains and other small particles floating on liquids in 1827, using the newly invented microscope, he was unable to explain why they moved. It was Albert Einstein who finally proved mathematically that this motion is caused by the motion of the molecules of the liquid. The energy for this motion is the heat which the liquid contains.

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History of the Universe eBook. 398 pages, 300 illustrations only $2.99

eBook only $2.99
398 pages, 300 images

"I find the science fabulous...an extremely useful teaching tool."
Professor David Christian

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