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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 ...
Two-point discrimination ( 2PD) is the ability to discern that two nearby objects touching the skin are truly two distinct points, not one. It is often tested with two sharp points during a neurological examination [1] : 632 [2] : 71 and is assumed to reflect how finely innervated an area of skin is.
The Easter egg has been removed since version man-db 2.8.0 after it had been discovered as an annoyance in a software automatic test system on 20 November 2017 and brought to broad attention on the Stack Exchange Q&A network site dedicated to Unix & Linux. Sampling
Two test pilots helming the inaugural crewed flight of Boeing’s Starliner spacecraft are in a tentative position — and so is Boeing’s reputation in spaceflight.
The multiple comparisons problem also applies to confidence intervals. A single confidence interval with a 95% coverage probability level will contain the true value of the parameter in 95% of samples. However, if one considers 100 confidence intervals simultaneously, each with 95% coverage probability, the expected number of non-covering ...
Red blood cell distribution width ( RDW ), as well as various types thereof ( RDW-CV or RCDW and RDW-SD ), is a measure of the range of variation of red blood cell (RBC) volume that is reported as part of a standard complete blood count. [1] Red blood cells have an average volume of 80–100 femtoliters, but individual cell volumes vary even in ...
Alain Aspect explaining his experiment. Aspect's experiment was the first quantum mechanics experiment to demonstrate the violation of Bell's inequalities with photons using distant detectors. Its 1982 result allowed for further validation of the quantum entanglement and locality principles. It also offered an experimental answer to Albert ...
exists there are three possibilities: if L > 1 the series converges (this includes the case L = ∞) if L < 1 the series diverges. and if L = 1 the test is inconclusive. An alternative formulation of this test is as follows. Let { an } be a series of real numbers. Then if b > 1 and K (a natural number) exist such that.