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  2. Laplace transform - Wikipedia

    en.wikipedia.org/wiki/Laplace_transform

    Laplace transform. In mathematics, the Laplace transform, named after Pierre-Simon Laplace ( / ləˈplɑːs / ), is an integral transform that converts a function of a real variable (usually , in the time domain) to a function of a complex variable (in the complex-valued frequency domain, also known as s-domain, or s-plane ).

  3. Wikipedia:About - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:About

    Wikipedia is a free online encyclopedia that anyone can edit, and millions already have . Wikipedia's purpose is to benefit readers by presenting information on all branches of knowledge. Hosted by the Wikimedia Foundation, it consists of freely editable content, whose articles also have numerous links to guide readers towards more information.

  4. Cock and ball torture - Wikipedia

    en.wikipedia.org/wiki/Cock_and_ball_torture

    A chastity device designed to be fastened around the penis and cause pain if it becomes erect. Cock and ball torture ( CBT) [a] is a sexual activity involving the application of pain or constriction to the male genitals. This may involve directly painful activities, such as genital piercing, wax play, genital spanking, squeezing, ball-busting ...

  5. Leonardo da Vinci - Wikipedia

    en.wikipedia.org/wiki/Leonardo_da_Vinci

    Leonardo di ser Piero da Vinci [b] (15 April 1452 – 2 May 1519) was an Italian polymath of the High Renaissance who was active as a painter, draughtsman, engineer, scientist, theorist, sculptor, and architect. [3] While his fame initially rested on his achievements as a painter, he has also become known for his notebooks, in which he made ...

  6. Atomic bombings of Hiroshima and Nagasaki - Wikipedia

    en.wikipedia.org/wiki/Atomic_bombings_of...

    On 6 and 9 August 1945, the United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki. The bombings killed between 129,000 and 226,000 people, most of whom were civilians, and remain the only use of nuclear weapons in an armed conflict. Japan surrendered to the Allies on 15 August, six days after the bombing of ...

  7. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    The flat bottom surfaces of the anvil and post embedded inside the epoxy act as anchors, to prevent the conductors from being forcefully pulled out via mechanical strain or vibration. A light-emitting diode ( LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron ...

  8. Facebook - Wikipedia

    en.wikipedia.org/wiki/Facebook

    Facebook enables users to control access to individual posts and their profile [320] through privacy settings. [321] The user's name and profile picture (if applicable) are public. Facebook's revenue depends on targeted advertising, which involves analyzing user data to decide which ads to show each user.

  9. Google - Wikipedia

    en.wikipedia.org/wiki/Google

    Google was founded on September 4, 1998, by American computer scientists Larry Page and Sergey Brin while they were PhD students at Stanford University in California. Together, they own about 14% of its publicly listed shares and control 56% of its stockholder voting power through super-voting stock.