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The most common type of mirror mount is the kinematic mount. [3] This type of mount is designed according to the principles of kinematic determinacy. Typically, the movable frame that holds the mirror pivots on a ball bearing which is set into a hole in the fixed frame. Ideally, this hole should be trihedral (pyramid-shaped).
Iridescence is an optical phenomenon of surfaces in which hue changes with the angle of observation and the angle of illumination. [ 2 ] [ 3 ] It is often caused by multiple reflections from two or more semi-transparent surfaces in which phase shift and interference of the reflections modulates the incidental light , by amplifying or ...
Philips Hue is a line of color-changing LED lamps and white bulbs which can be controlled wirelessly. The Philips Hue line of bulbs was the first smart bulb of its kind on the market. [ 3 ] The lamps are currently created and manufactured by Signify N.V. , formerly the Philips Lighting division of Royal Philips N.V. [ 1 ] [ 4 ]
Reference points such as a painted grid, X's marked with tape, or equally spaced tennis balls attached to the wall, can be placed onto the coloured background to serve as markers. In post-production, a computer can use these markers to compute the camera's position and thus render an image that matches the perspective and movement of the ...
Former U.S. Rep. Adam Kinzinger is reflecting on a pivotal moment that helped shaped his life and career. In the new documentary The Last Republican — which opened at New York City's Film Forum ...
Former Florida Congressman Matt Gaetz paid tens of thousands of dollars to women for drugs and sex that were violations of a series of House rules and included obstruction of Congress, the U.S ...
Authorities in Brazil launched an investigation after three women died and several others were hospitalized after a family ate an arsenic-laced Christmas cake, police told local media.. The three ...
The secondary mirror assembly of the Keck Telescope and its relationship to the primary mirror. A secondary mirror (or secondary) is the second deflecting or focusing mirror element in a reflecting telescope. Light gathered by the primary mirror is directed towards a focal point typically past the location of the secondary.