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In classical physics and special relativity, an inertial frame of reference is a frame of reference in which objects exhibit inertia: they remain at rest or in uniform motion relative to the frame until acted upon by external forces. In such a frame the laws of nature can be observed without the need for acceleration correction.
Kirlian photography is a collection of photographic techniques used to capture the phenomenon of electrical coronal discharges. It is named after Soviet scientist Semyon Kirlian, who, in 1939, accidentally discovered that if an object on a photographic plate is connected to a high-voltage source, an image is produced on the photographic plate. The technique has been variously known as "electrography", "electrophotography", "corona discharge photography" (CDP), "bioelectrography", "gas discharge visualization (GDV)", "electrophotonic imaging (EPI)", and, in Russian literature, "Kirlianography".
The Patterson–Gimlin film is an American short motion picture of an unidentified subject that the filmmakers have said was a Bigfoot. The footage was shot in 1967 in Northern California, and has since been subjected to many attempts to authenticate or debunk it.
In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time. In Albert Einstein's 1905 paper, On the Electrodynamics of Moving Bodies, the theory is presented as being based on just two postulates:
- The laws of physics are invariant (identical) in all inertial frames of reference. This is known as the principle of relativity.
- The speed of light in vacuum is the same for all observers, regardless of the motion of light source or observer. This is known as the principle of light constancy, or the principle of light speed invariance.
The Lunar Orbiter program was a series of five uncrewed lunar orbiter missions launched by the United States in 1966 and 1967. Intended to help select Apollo landing sites by mapping the Moon's surface, they provided the first photographs from lunar orbit and photographed both the Moon and Earth.
In theoretical physics, particularly in discussions of gravitation theories, Mach's principle is the name given by Albert Einstein to an imprecise hypothesis often credited to the physicist and philosopher Ernst Mach. The hypothesis attempted to explain how rotating objects, such as gyroscopes and spinning celestial bodies, maintain a frame of reference.
Slow motion is an effect in film-making whereby time appears to be slowed down. It was invented by the Austrian priest August Musger in the early 20th century. This can be accomplished through the use of high-speed cameras and then playing the footage produced by such cameras at a normal rate like 30 fps, or in post production through the use of software.
Bullet time is a visual effect or visual impression of detaching the time and space of a camera from that of its visible subject. It is a depth enhanced simulation of variable-speed action and performance found in films, broadcast advertisements, and realtime graphics within video games and other special media. It is characterized by its extreme transformation of both time, and of space. This is almost impossible with conventional slow motion, as the physical camera would have to move implausibly fast; the concept implies that only a "virtual camera", often illustrated within the confines of a computer-generated environment such as a virtual world or virtual reality, would be capable of "filming" bullet-time types of moments. Technical and historical variations of this effect have been referred to as time slicing, view morphing, temps mort and virtual cinematography.
Absolute space and time is a concept in physics and philosophy about the properties of the universe. In physics, absolute space and time may be a preferred frame.
The Nature of Things is a Canadian television series of documentary programs. It debuted on CBC Television on 6 November 1960. Many of the programs document nature and the effect that humans have on it, although the program's overall scope includes documentaries on any aspect of science. The program "was one of the first mainstream programs to present scientific evidence on a number of environmental issues, including nuclear power and genetic engineering".
High-speed photography is the science of taking pictures of very fast phenomena. In 1948, the Society of Motion Picture and Television Engineers (SMPTE) defined high-speed photography as any set of photographs captured by a camera capable of 69 frames per second or greater, and of at least three consecutive frames. High-speed photography can be considered to be the opposite of time-lapse photography.
Classical mechanics is a physical theory describing the motion of objects such as projectiles, parts of machinery, spacecraft, planets, stars, and galaxies. The development of classical mechanics involved substantial change in the methods and philosophy of physics. The qualifier classical distinguishes this type of mechanics from physics developed after the revolutions in physics of the early 20th century, all of which revealed limitations in classical mechanics.
In photography and cinematography, headroom or head room is a concept of aesthetic composition that addresses the relative vertical position of the subject within the frame of the image. Headroom refers specifically to the distance between the top of the subject's head and the top of the frame, but the term is sometimes used instead of lead room, nose room or 'looking room' to include the sense of space on both sides of the image. The amount of headroom that is considered aesthetically pleasing is a dynamic quantity; it changes relative to how much of the frame is filled by the subject. Rather than pointing and shooting, one must compose the image to be pleasing. Too much room between a subject's head and the top of frame results in dead space.
The Physical Science Study Committee (PSSC) was inaugurated at a 1956 conference at MIT to review introductory physics education and to design, implement, and monitor improvements. It produced major new physics textbooks, instructional movies, and classroom laboratory materials, which were used by high schools around the world during the 1960s and 1970s and beyond.
Donald G. Ivey was the principal of the University of Toronto's New College from 1963 to 1974.
Live and Learn, original title Course of Knowledge, was a Canadian educational television series which aired on CBC Television from 1959 to 1965.
The Hands of Orlac is a 1960 horror film directed by Edmond T. Gréville, starring Mel Ferrer, Christopher Lee and Dany Carrel. It was written by Gréville, John V. Baines with additional dialogue by Donald Taylor. It was based on the novel Les Mains d'Orlac by Maurice Renard, which had previously adapted into silent film and as a Hollywood film production.
Two for Physics is a Canadian science television series which aired on CBC Television in 1959.
A heliospheric imager is a wide-field camera that is designed to image the solar wind in interplanetary space, far from the Sun itself.
James Nairn Patterson "Pat" Hume was a Canadian professor and science educator who has been called "Canada's pioneer of computer programming". He was a professor of Physics and of Computer Science at the University of Toronto, and he served as the second Master of Massey College from 1981 to 1988.
References
- 1 2 3 Turner, Joseph (4 May 1962). "Art for Science's Sake". Science . 136 (3514): 359. Bibcode:1962Sci...136..357T. doi:10.1126/science.136.3514.357. PMID 17798053.
