13th June 2011
Do you know about the automatic opening of door and buzzing alarm if you touch something in museum like places? Or have you been in checking queue of malls and airport when alarm buzz if you have metal in your pocket? Of course you definitely have been th...
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05th May 2011
A pulley is a mechanism with a wheel and a simple frame that can be connected to something, either a fixed object or a movable object. The purpose of the pulley is to decrease friction when redirecting the pull/force of a rope, chain, or some equivalent t...
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13th October 2010
To troubleshoot any electrical device, one needs to have the basic knowledge about the working of the object and its mechanisms. You will need to first understand the simple things and then go on the complex ones. Same goes with troubleshooting of an elec...
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