January 2015 Flying Circus of Physics stories

January 2015 stories at the main FCP site: (1) Why does a gentle tap on the top of an open bottle of beer result in a dramatic eruption of foam? (2) Why physics might allow you to stay on the top of a bull? (3) The tragic collapse of a section of the Mianus Bridge was due to the suspension method and the torqueing by cars and trucks. (4) A simple demonstration of sliding fingers beneath a meter stick is a lesion in friction, torque, and center of mass. FCP main site