Speed of the Human Neural Impulse Helmholtz (1821-1894) was a German scientist. In 1850‚ he measured the neural impulse in frogs. By strapping down the frogs and putting electrical voltage into their legs‚ Helmholtz measured the time it took for the frogs’ leg to twitch. Helmholtz used a galvanometer to measure the neural impulse. He found that the neural impulse in frogs was 83-90 ft/s. Afterwards‚ Helmholtz went on to test the neural impulse in humans. He put a low grade electrical voltage to humans’
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TITLE CONTACTLESS TACHOMETER ABSTRACT: The aim of the project is to design a contactless speed sensing device (tachometer) for a motor. Traditional tachometers require a physical contact to the shaft of the motor to measure the speed. In certain applications‚ where it is not possible to measure the speed directly‚ it is possible for a contactless tachometer to take the readings from a certain distance. This is the main motivation behind choosing this project. This contactless tachometer
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Proposal for Automated Speed Radars for North Luzon Expressway I. INTRODUCTION 1.1 Purpose This document purposes an automated method teaching the speed violators at North Luzon Expressway. The automation system is necessary to easily detect those violators who are going beyond the speed limit and to improve the security in NLEX. 1.2 Background The North Luzon Expressway or NLEX runs a total distance of 84 kilometers from Balintawak‚ Quezon City to Sta. Ines‚ Pampanga.
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works for our local sheriff’s office and my parents had my butt in his office first thing that following Monday morning and I got an awakening on what it is like to be locked up and got a really long lecture and lessons about how an automobile at that speed can be worse than any weapon. I never really thought before that a car can truly be a weapon‚ but when they got through with me‚ I completely understood how I could of not only put my own life in
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What factors affecting computers speed‚ power and compatibility? The CPU is a chip that performs nearly all calculations within a computing system. The "speed" of a CPU is determined by three factors. The frequency of the CPU is the number of cycles it can perform in a second. The higher this value the higher a CPU will perform against a member of its own processing family. Cache memory is the amount of on-chip memory available to a processor for storing current execution instructions and data.
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How did the Speed of the Steam Engine Change America Introduction The steam engine was the most important discovery for the development of America from a farming country to a country which could produce goods in factories. The Industrial Revolution which started in Europe happened in America in the middle of the nineteenth century. The use of steam engine powered boats‚ ships‚ railways and factories is how the industrial revolution is how America was able become more productive and powerful country
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difficult‚ though‚ to play this game and maintain these skills when you’re defending or being defended by the lightning-fast Sean Michael Frank. Sean Michael Frank‚ a 22 year-old basketball player from the island of Pohnpei‚ prides himself for his speed and quickness both offensively and defensively. “Give him an opening for a split-second‚ and he will make you suffer by blowing right past you for a layup or a quick steal if he is on defense‚” says a teammate of Sean’s (who asked to be anonymous)
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cc o s ts u c t uoc t i o n onn rt r i n stEPPEr Motor controL usinG 89c51 MicrocontroLLEr Mandeep Singh Walia H ere’s a stepper motor controller based on 89C51 microcontroller to control the rotation of a DC stepper motor in clockwise and anti-clockwise directions. The controller is simple and easy-to-construct‚ and can be used in many applications including machine control and robotics for controlling the axial rotation in XY plane. A similar circuit can be added to control the rotation of the
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PEDESTRIAN CROSSING SPEED MODEL USING MULTIPLE REGRESSION ANALYSIS Mako C. DIZON Undergraduate Student Department of Civil Engineering Polytechnic University of the Philippines 13 Bayabas St.Anthony Taytay‚ Rizal 1920 Email: makolet10@yahoo.com Lyvan G. DE PEDRO Undergraduate Student Department of Civil Engineering Polytechnic University of the Philippines Mandaluyong City Dr. Manuel M. MUHI Faculty Department of Civil Engineering Polytechnic University of the Philippines Sta. Mesa‚ Manila Email:
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