We now know that a pulsar is a rapidly rotating neutron star whose radiation is emitted like a spinning flashlight. Over 700 pulsars have now been detected, with rates of rotation ranging from once every 4 seconds to more than 600 times per second.
Share on Facebook. Share on Google Plus. Touretteâs syndrome is a neurological disorder that causes involuntary vocal and motor tics. The tics frequently involve physical movements like jerking, foot stamping, kicking, and facial movements and can be accompanied by grunts, coughs, barks, or shouts.hare on Facebook. Share on Google Plus. Touretteâs syndrome is a neurological disorder that causes involuntary vocal and motor tics. The tics frequently involve physical movements like jerking, foot stamping, kicking, and facial movements and can be accompanied by grunts, coughs, barks, or shouts.
Individuals with Tourette Syndrome (TS) have had at least two motor tics and at least one vocal/ phonic tic in some combination over the course of more than a year.