Cameron's flagship EU referendum Bill hit by warning it is not legally binding and next government could just ignore it. 1  Tory plan to be debated on Friday but Labour and Lib Dems boycott vote. 2  James Wharton's backbench Bill promises a referendum by the end of 2017.
Photo: A lightning bolt is a huge release of static electricity, in which built-up electrical potential energy shoots from the sky to the ground in a sudden, improvised, electric current. Picture by David Parsons courtesy of US DOE/NREL (Department of Energy/National Renewable Energy Laboratory).
Kinetic energy is the energy of motion (the motion of waves, electrons, atoms, molecules) while potential energy is stored energy or energy of position that has the potential to do work (follow the kinetic and potential energy links for a more in depth discussion).