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In mathematics and physics, the plate trick, also known as Dirac's string trick (after Paul Dirac, who introduced and popularized it), [1] [2] the belt trick, or the Balinese cup trick (it appears in the Balinese candle dance), is any of several demonstrations of the idea that rotating an object with strings attached to it by 360 degrees does not return the system to its original state, while ...
The forward momentum of the top contributes to the string's tension and thus to the final spin rate. In some throwing styles, the top is thrown upside-down, but the first loop of the rope is wound around a stubby "head". Then, the sudden yank on the head as the string finishes unwinding causes the spinning top to flip over and land on its tip.
The difference in speed between the moving end of the tube and the stationary, hand-held end creates a difference in air pressure. A higher pressure is at the fixed end and a lower pressure is at the moving end. This difference pulls air through the tube and the air's speed changes (making the changes in the tones) with the speed of the spin.
A No-disc crack, No-CD crack or No-DVD crack is an executable file or a special "byte patcher" program which allows a user to circumvent certain Compact Disc and DVD copy protection schemes. They allow the user to run computer software without having to insert their required CD-ROM or DVD-ROM. This act is a form of software cracking.
In mathematical physics, the Dirac algebra is the Clifford algebra, ().This was introduced by the mathematical physicist P. A. M. Dirac in 1928 in developing the Dirac equation for spin- 1 / 2 particles with a matrix representation of the gamma matrices, which represent the generators of the algebra.
The dashed black curve behind the red curve is a standard γ = 2.2 power-law curve, for comparison. Gamma correction in computers is used, for example, to display a gamma = 1.8 Apple picture correctly on a gamma = 2.2 PC monitor by changing the image gamma.
Spin art time lapse. To create spin art, an artist initially decorates or drips paint onto a canvas. The canvas can be anything; however, the most common form of canvas is a small rectangular piece of cardboard. Before the paint on the canvas dries, the artist secures the canvas to a platform that can be rotated at high speed.
Software crack illustration. Software cracking (known as "breaking" mostly in the 1980s [1]) is an act of removing copy protection from a software. [2] Copy protection can be removed by applying a specific crack. A crack can mean any tool that enables breaking software protection, a stolen product key, or guessed password. Cracking software ...