The role of Alan Turing in the history of computing Alan Mathison Turing was born on 23 June 1912‚ Paddington‚ London. He was a true pioneer in computer science and if it were not for this man‚ no one would probably be typing an essay based on him on a modern computer. He is renowned for his passion of mathematics and the invention of the Turing machine/test‚ breaking the German enigma code during World War One‚ and for making the first automated computing machine (the ACE). At an early age
Premium Alan Turing Enigma machine Computer
The Enigma could produce 17‚576 different ways to position the rotors‚ and a few million million ways to position the plugboard cables (Callahan‚ 10). As a result‚ the most configurations a Enigma could make were 7‚905‚853‚580‚625 (Callahan‚ 11). The overwhelming possibilities created much worry and anxiety for the
Premium World War II Enigma machine
Svetlozar Simeonov 09/25/11 Wankel Rotary Engine – Huge Power in a Small Box According to Philip’s Encyclopedia Wankel rotary engine or just Wankel engine is “Internal combustion engine with rotors instead of pistons.” That not so popular engine is actually about two times lighter than a four cylinder piston engine‚ the one that we all have in our cars‚ for the same power output. It also has four times less moving parts. Much simpler‚ much lighter‚ much smaller it has numerous advantages
Premium Internal combustion engine
The history of Mexican Americans is comparable to that of African Americans: filled with stories of conquest‚ racism‚ and discriminatory acts posed by society. The past has triggered Chicanos to fight back against injustices‚ in hopes of reforming immoral treatment‚ and emerging as an equal part of America’s society. The Chicano movement yielded some successes in this aspect. However‚ mass media and stereotypes confirm the notion that Mexican Americans are still viewed as a “lesser” people. This
Premium United States Mexican American White American
burned. In the wave –disk design‚ the power generating process takes place inside a spinning turbine. It eliminates pistons and is only the size of a cooking pot. Engineers began studying wave-rotor machines as early as 1906 and they are already used in superchargers in some sports cars‚ nonetheless wave-rotor technology could be rather difficult to implement due to the highly complex unsteady gas flows‚ but the effort would pay off since this reduce mass and very high efficiency engine could propel
Premium Internal combustion engine Oxygen Carbon monoxide
The Literary Forms in Philippine Literature by: Christine F. Godinez-Ortega The diversity and richness of Philippine literature evolved side by side with the country’s history. This can best be appreciated in the context of the country’s pre-colonial cultural traditions and the socio-political histories of its colonial and contemporary traditions. The average Filipino’s unfamiliarity with his indigenous literature was largely due to what has been impressed upon him: that
Free Philippines
The wired code wheel‚ known more commonly as a rotor‚ would be shaped similar to a hockey puck made of non-conductive material‚ such as rubber‚ and have two sides‚ an input plate and an output plate and around the circumference are 26 evenly spaced electrical contacts. The 26 contacts on the input plate would be connected by wired through the body of the rotor to the 26 contacts on the output plate. An alphabet ring would then be placed around the rotors 26 contacts therefore creating a cipher alphabet
Premium World War II
APPLICATION NOTE ON REGENERATIVE BRAKING OF ELECTRIC VEHICLES AS ANTI-LOCK BRAKING SYSTEM Okan TUR1 Okan.Tur@mam.gov.tr 1 Ozgur USTUN2 oustun@mekatro.com R. Nejat TUNCAY2 ntuncay@mekatro.com The Scientific and Technologic Research Council of TURKEY (TUBITAK) Marmara Research Center (MRC) Energy Institute‚ PK.21 41470 Gebze-Kocaeli‚ TURKEY 2 Mekatro R&D‚ TUBITAK MRC Technology Free Zone Section B No:18 41470 Gebze-Kocaeli‚ Turkey Abstract Anti-locking brake systems (ABS) are
Premium Automobile Vehicle
The wattmeter is an electrodynamic instrument for measuring the electric power or the supply rate of electrical energy of any given circuit. The device consists of a pair of fixed coils‚ known as current coils‚ and a movable coil known as the potential coil. The current coils are connected in series with the circuit‚ while the potential coil is connected in parallel. Also‚ on analog wattmeters‚ the potential coil carries a needle that moves over a scale to indicate the measurement. A current flowing
Premium Electromagnetism Torque Magnetic field
Brandon Foster MAE466 2/8/12 HW#2 1) I think about 1000 radial stations are required for a converged calculation. 2) The first plot is of a rotor with linear twist showing the lift coefficient variation with rbar in hover. The second plot is the lift coefficient max along the radius which looks to be about 1.2. The maximum thrust of the rotor in hover in terms of thrust coefficient is 0.0183. Cpo = 2.5668e-004 Cpi = 0.0020 Cpt = 0.0022 Cpideal = 0.0017 Fig Mer = 0
Premium Airfoil Aerodynamics MATLAB