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Join scientists as they grab light from across the universe to prove quantum entanglement is real. Einstein called it "spooky action at a distance", but today quantum entanglement is poised to revolutionize technology from computers to cryptography. Physicists have gradually become convinced that the phenomenon two subatomic particles that mirror changes in each other instantaneously over any distance is real. But a few doubts remain. NOVA follows a ground-breaking experiment in the Canary Islands to use quasars at opposite ends of the universe to once and for all settle remaining questions.
Every starship needs armor to protect it from asteroids and enemy attack- Dr. Michio Kaku reveals how cutting edge science could be used to create force fields that might one day save our space craft from an alien onslaught.
S1E12 • Physics of the Impossible • 2009 • Physics
The equations of physics suggest time should be able to go backwards as well as forwards. Experience suggests, though, that it cannot. Why? And is time travel really possible?
The Economist • 2015 • Physics
How harnessing the link between magnetism and electricity transformed the world.
Jim Al-Khalili shows how investigation into the atom unravelled the mystery of creation.
When you think about Einstein and physics, E=mc^2 is probably the first thing that comes to mind. But one of his greatest contributions to the field actually came in the form of an odd philosophical footnote in a 1935 paper he co-wrote -- which ended up being wrong.