Think before when switching on the TV all the night while you are having a tight sleep. Think before when switching on you geyser all the day, when it heats and cool in cycles... Think before wasting electricity -  as a UN report says that more than one quarter of the 6 billion world's population have no access to electricity. 

On 23rd November, the LHC circulated two beams simultaneously for the first time, allowing the operators to test the synchronization of the beams and giving the experiments their first chance to look for proton-proton collisions. With just one bunch of particles circulating in each direction, the beams can be made to cross in up to two places in the ring...