"One short trip for a proton, but one giant leap for mankind!" — Physicist Nigel Lockyer, now director of Fermilab, on the first successful proton beam that whipped around the 17-mile (27 km) Large Hadron Collider at @cern #OTD in 2008. . . . . . . . . . . #science #proton #cern #largehadroncollider #particle #particlephysics #physics #scienceiscool #history #sciencehistory #onthisday #today #todayinscience #todayinhistory