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  2. Empty space - Wikipedia

    en.wikipedia.org/wiki/Empty_space

    Outer space, especially the relatively empty regions of the universe outside the atmospheres of celestial bodies; Vacuum, a volume of space that is essentially empty of matter, such that its gaseous pressure is much less than atmospheric pressure; Free space, a perfect vacuum as expressed in the classical physics model

  3. Universe Sandbox - Wikipedia

    en.wikipedia.org/wiki/Universe_Sandbox

    Universe Sandbox is a series of interactive space sandbox gravity simulator educational software video games.Using Universe Sandbox, users can see the effects of gravity on objects in the universe and run scale simulations of the Solar System, various galaxies or other simulations, while at the same time interacting and maintaining control over gravity, time, and other objects in the universe ...

  4. Quantum fluctuation - Wikipedia

    en.wikipedia.org/wiki/Quantum_fluctuation

    3D visualization of quantum fluctuations of the quantum chromodynamics (QCD) vacuum [1]. In quantum physics, a quantum fluctuation (also known as a vacuum state fluctuation or vacuum fluctuation) is the temporary random change in the amount of energy in a point in space, [2] as prescribed by Werner Heisenberg's uncertainty principle.

  5. It's science: The physics in Angry Birds Space is fun, but ...

    www.aol.com/news/2012-03-30-angry-birds-space...

    In fact, they're not even close to realistic, according to Allain, but at least it makes for a good game. "For Angry Birds Space, it looks like gravity on the birds is just a constant value ...

  6. Unruh effect - Wikipedia

    en.wikipedia.org/wiki/Unruh_effect

    The Unruh effect (also known as the Fulling–Davies–Unruh effect) is a theoretical prediction in quantum field theory that an observer who is uniformly accelerating through empty space will perceive a thermal bath. This means that even in the absence of any external heat sources, an accelerating observer will detect particles and experience ...

  7. Cosmological constant - Wikipedia

    en.wikipedia.org/wiki/Cosmological_constant

    When T μν is zero, the field equation describes empty space (a vacuum). The cosmological constant has the same effect as an intrinsic energy density of the vacuum, ρ vac (and an associated pressure). In this context, it is commonly moved to the right-hand side of the equation using Λ = κρ vac. It is common to quote values of energy ...

  8. Conway's Game of Life - Wikipedia

    en.wikipedia.org/wiki/Conway's_Game_of_Life

    The Game of Life, also known as Conway's Game of Life or simply Life, is a cellular automaton devised by the British mathematician John Horton Conway in 1970. [1] It is a zero-player game , [ 2 ] [ 3 ] meaning that its evolution is determined by its initial state, requiring no further input.

  9. Vacuum energy - Wikipedia

    en.wikipedia.org/wiki/Vacuum_energy

    Using the upper limit of the cosmological constant, the vacuum energy of free space has been estimated to be 10 −9 joules (10 −2 ergs), or ~5 GeV per cubic meter. [3] However, in quantum electrodynamics , consistency with the principle of Lorentz covariance and with the magnitude of the Planck constant suggests a much larger value of 10 113 ...