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When no one is looking, a particle has near limitless potential: it can be nearly anywhere. But measure it, and the particle snaps to one position. How do subatomic objects shed their quantum weirdness? Experts in the field of physics, including David Z. Albert, Sean Carroll, Sheldon Goldstein, Ruediger Schack, and moderator Brian Greene, discuss the history of quantum mechanics, current theories in the field, and possibilities for the future.
World Science Festival • 2014 • Physics
The double-slit experiment is a demonstration that light and matter can display characteristics of both classically defined waves and particles; moreover, it displays the fundamentally probabilistic nature of quantum mechanical phenomena.
The Heisenberg Uncertainty Principle states that you can never simultaneously know the exact position and the exact speed of an object.
It appears we live in a universe filled with light. But scientists are now certain there is far more matter in the dark portions of our universe.
S5E10 • Through the Wormhole • Physics
In two mind-blowing hours, Hawking reveals the wonders of the cosmos to a new generation.
3/3 • Stephen Hawking's Universe • 1997 • Physics
What happened to all of the universe's antimatter? Can a particle be its own anti-particle? And how do you build an experiment to find out? In this program, particle physicists reveal their hunt for a neutrino event so rare, it happens to a single atom at most once every 10,000,000,000,000,000,000,000,000 years: far longer than the current age of the universe. If they find it, it could explain no less than the existence of our matter-filled universe.
World Science Festival • 2019 • Physics