The first real steps toward space travel are made as Newton discovers that gravity describes the force between any two particles in the universe.
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Episode 52: The Quantum Mechanical Universe – The Mechanical Universe
A last look at where we've been and a peek into the future.
Episode 51: Atoms To Quarks – The Mechanical Universe
Electron waves attracted to the nucleus of an atom help account for the periodic table of the elements and ultimately lead to the search for quarks.
Episode 50: Particles And Waves – The Mechanical Universe
Evidence that light can sometimes act like a particle leads to quantum mechanics, the new physics.
Episode 49: The Atom – The Mechanical Universe
A history of the atom, from the ancient Greeks to the early 20th century, and a new challenge for the world of physics.
Episode 48: Low Temperatures – The Mechanical Universe
With the quest for low temperatures came the discovery that all elements can exist in each of the basic states of matter.
Episode 47: Entropy – The Mechanical Universe
The Carnot engine, part two, with profound implications for the behavior of matter and the flow of time through the universe.
