In physics, the observer effect is the disturbance of an observed system by the act of observation. This is often the result of utilising instruments that...

by the presence of the observer. Observer effect (physics), the impact of observing a physical system Probe effect, the effect on a physical system of...

The Doppler effect (also Doppler shift) is the change in the frequency of a wave in relation to an observer who is moving relative to the source of the...

a central role for an observer of a quantum phenomenon. The quantum mechanical observer is tied to the issue of observer effect, where a measurement necessarily...

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...

programming) Observer effect (physics) (physics) Observer-expectancy effect (cognitive biases) (cognitive psychology) Occlusion effect (biology) (otology)...

Einselection Interference (wave propagation) Measurement problem Observer effect (physics) Quantum Darwinism Quantum decoherence Wavefunction collapse Zeno's...

colloquially as a Heisenbug, by analogy with the observer effect in quantum mechanics. Observer effect (physics) Observer's paradox Event manipulation for Nondeterministic...

dream argument Epistemology Object (philosophy) Object permanence Observer effect (physics) Kōan Ontology Schrödinger's cat Principle of locality John Campbell...

experiment Elitzur–Vaidman bomb tester Heisenberg cut Modal realism Observer effect (physics) Ray cat Schroedinbug Schrödinger's cat in popular culture Schrödinger...

law – Adage about statistical measures (Strathern variant) Observer effect (physics) – Fact that observing a situation changes it Lucas critique – 1970s...

theorem Observer effect (physics) Observer (quantum physics) Philosophy of physics Quantum cognition Quantum pseudo-telepathy Quantum Zeno effect Wigner's...

relativistic Doppler effect is the change in frequency, wavelength and amplitude of light, caused by the relative motion of the source and the observer (as in the...

the alleged objectivity of the view is mythical. Bird's-eye view Observer effect (physics) Objectivity (philosophy) Objectivity (science) The Aleph (short...

APS Observer, a member magazine of the Association for Psychological Science (APS) Observer (general relativity) Observer (quantum physics) Observer (special...

the weak principle without obeying the strong version. In classical physics, an effect cannot occur before its cause which is why solutions such as the advanced...

In the social sciences (and physics and experimental physics), the observer's paradox is a situation in which the phenomenon being observed is unwittingly...

philosophy and psychology Observer effect (physics) – Fact that observing a situation changes it Observer-expectancy effect – Cognitive bias of experimental subject...

Physics. 56 (3): 199–200. Bibcode:1988AmJPh..56..199S. doi:10.1119/1.15687. James Terrell (1989). "The Terrell Effect". American Journal of Physics....

Contrarily to velocity time dilation, in which both observers measure the other as aging slower (a reciprocal effect), gravitational time dilation is not reciprocal...

mechanics, atomic physics, and molecular physics; optics and acoustics; condensed matter physics; high-energy particle physics and nuclear physics; and chaos...

the field of physics is called a physicist. Physics is one of the oldest academic disciplines. Over much of the past two millennia, physics, chemistry,...

term "Coriolis effect", the rotating reference frame implied is almost always the Earth. Because the Earth spins, Earth-bound observers need to account...

the Unruh effect and the equivalence principle applied to black-hole horizons. Close to the event horizon of a black hole, a local observer must accelerate...

which are contradictory in classical mechanics: The laws of physics are the same for all observers in any inertial frame of reference relative to one another...

reference to an observer, measuring the change in position of the body relative to that frame with a change in time. The branch of physics describing the...

physics are identical for two observers who have a constant relative velocity with respect to each other." Special relativity had a profound effect on...

of physics are the same for all observers. Locally, as expressed in the equivalence principle, spacetime is Minkowskian, and the laws of physics exhibit...

actual difference of elapsed time between two events, as measured by observers situated at varying distances from a gravitating mass. The lower the gravitational...

concept of cause and effect in which an effect precedes its cause in time and so a later event affects an earlier one. In quantum physics, the distinction...