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PHENIX is an exploratory experiment for the investigation of high energy collisions of heavy ions and protons, and is designed specifically to measure direct probes of the collisions such as electrons, muons, and photons. The primary goal of PHENIX is to discover and study a new state of matter called quark–gluon plasma (QGP).
Behavioral sink. " Behavioral sink " is a term invented by ethologist John B. Calhoun to describe a collapse in behavior that can result from overpopulation. The term and concept derive from a series of over-population experiments Calhoun conducted on Norway rats between 1958 and 1962. [1] In the experiments, Calhoun and his researchers created ...
The ultimate fate of the universe is a topic in physical cosmology, whose theoretical restrictions allow possible scenarios for the evolution and ultimate fate of the universe to be described and evaluated. Based on available observational evidence, deciding the fate and evolution of the universe has become a valid cosmological question, being ...
Decay time of muons: The time dilation formula is , where T0 is the proper time of a clock comoving with the muon, corresponding with the mean decay time of the muon in its proper frame. As the muon is at rest in S′, we have γ=1 and its proper time T′0 is measured. As it is moving in S, we have γ>1, therefore its proper time is shorter ...
The experience machine or pleasure machine is a thought experiment put forward by philosopher Robert Nozick in his 1974 book Anarchy, State, and Utopia. [1] It is an attempt to refute ethical hedonism by imagining a choice between everyday reality and an apparently preferable simulated reality . A primary thesis of hedonism is that "pleasure is ...
The Philadelphia Experiment was an alleged event claimed to have been witnessed by an ex- merchant mariner named Carl M. Allen at the United States Navy's Philadelphia Naval Shipyard in Philadelphia, Pennsylvania, United States, some time around October 28, 1943. Allen described an experiment where the U.S. Navy attempted to make a destroyer ...
q 2 (for gold) = 79 × 1.6 × 10 −19 C = 1.27 × 10 −17 C; v (initial velocity) = 2 × 10 7 m/s (for this example) The distance from the alpha particle to the center of the nucleus (r min) at this point is an upper limit for the nuclear radius. Substituting these in gives the value of about 2.7 × 10 −14 m, or 27 fm. (The true radius is ...
English. Budget. $5 million. Box office. $2.97 million. Philadelphia Experiment II (also known as Philadelphia Experiment 2) is a 1993 American science fiction film. It is the sequel to The Philadelphia Experiment (1984), with an entirely new cast and only two characters returning. It stars Brad Johnson as David Herdeg (the hero from the first ...