Check out this impressive piece of (controversial) technology, called TASER, that is used by US cops to stun criminals. The TASER gun basically fires two dart like things towards a victim, connected to the gun by thin wires. The gun then generates electronic pulses which contract the victims muscles and sends him into a shock. But, these pulses are controlled so as to not disturb the electrical activity happening within the body. For an indepth on how-tasers-work, read the following article http://www.spectrum.ieee.org/dec07/5731/2.
TASER usage has been controversial because of incidences such as the one in University of Florida, where cops hit a student with a TASER after the student asked a series of uncomfortable questions to Senator John Kerry and did not comply when asked to leave the auditorium. The incident can be watched on Youtube at http://www.youtube.com/watch?v=y3FFnpS-eYA.
TASER usage has been controversial because of incidences such as the one in University of Florida, where cops hit a student with a TASER after the student asked a series of uncomfortable questions to Senator John Kerry and did not comply when asked to leave the auditorium. The incident can be watched on Youtube at http://www.youtube.com/watch?v=y3FFnpS-eYA.
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