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.
The list of signs and symptoms mentioned in various sources for Tourette Syndrome includes the 47 symptoms listed below: Repeated involuntary movements. Uncontrollable vocal sounds. Tics. Facial tics. Eye blinking. Motor tics. Head jerking.