For the first time, protons collided in the Large Hadron Collider (LHC) at the record-breaking energy of 13 TeV, according to an update by the European Organization for Nuclear Research (CERN).

"It doesn't sound like very much, but if you have a mosquito buzzing around, the amount of energy it takes to keep that mosquito floating is about the energy of one of these collisions - except that you have this energy compressed down into the size that's a million times smaller than the width of a human hair," Greg Rakness, run coordinator for one of the experiments called CMS at the collider, told Live Science.

Data taking and the start of the LHC's second run is planned for early June.