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In physics, the observer effect is the disturbance of an observed system by the act of observation. [1] [2] This is often the result of utilising instruments that, by necessity, alter the state of what they measure in some manner. A common example is checking the pressure in an automobile tire, which causes some of the air to escape, thereby ...
English: Gimbal is one of three US military videos of unidentified aerial phenomenon (UAP) that has been through the official declassification review process of the United States government and has been approved for public release. Taken on 21 January 2015 by a fighter pilot from the USS Theodore Roosevelt carrier strike group.
In September 2019, Susan Gough, a Pentagon spokeswoman, confirmed that the released videos were made by naval aviators, and that they are "part of a larger issue of an increased number of training range incursions by unidentified aerial phenomena in recent years". [17] On 27 April 2020, the Pentagon formally released the three videos. [1] [18 ...
Satellite photograph of a mesa in the Cydonia region of Mars, often called the "Face on Mars" and cited as evidence of extraterrestrial habitation. Pareidolia (/ ˌ p ær ɪ ˈ d oʊ l i ə, ˌ p ɛər-/; [1] also US: / ˌ p ɛər aɪ-/) [2] is the tendency for perception to impose a meaningful interpretation on a nebulous stimulus, usually visual, so that one detects an object, pattern, or ...
The Phenomenon covers the (then) recently released Pentagon UFO videos, but its primary focus is the history of UFO sightings in the time since World War II, [1] and it makes a case for greater scientific study of "the UFO phenomenon". [2]
Hawthorne effect, a form of reactivity in which subjects modify an aspect of their behavior, in response to their knowing that they are being studied; Observer-expectancy effect, a form of reactivity in which a researcher's cognitive bias causes them to unconsciously influence the participants of an experiment
Preliminary Assessment: Unidentified Aerial Phenomena. Preliminary Assessment: Unidentified Aerial Phenomena, also known as the UAP Report [1] and colloquially named the Pentagon UFO Report, is a United States federally mandated assessment, prepared and published by the Office of the Director of National Intelligence on June 25, 2021, [2] summarizing information regarding unidentified aerial ...
The schlieren effect is often used in video projector technologies. The basic idea is some device, such as a liquid crystal light valve, is used to produce schlieren distortions in a controlled manner and these are projected on a screen to produce the desired image.