Article from the website bbc.com.
The Large Hadron Collider has re-started scientific investigations after a two-year pause.
Scientists are waiting for the first new data to begin flowing from the underground particle smasher, paving the way to a new era in physics.
On Wednesday, the vast machine clattered proton beams together at much higher energies than were achieved during its first run in 2010-2013.
Click on this link to read more http://www.bbc.com/news/science-environment-32976838.