LHC meltdown before first collision

A mechanical failure has shut down the world's largest particle accelerator for at least two months.......The setback has dashed the hopes of thousands of researchers working on the four main detectors that will use the LHC. They had hoped to get their first data from proton–proton collisions as early as this week, but it now seems unlikely that collisions will occur this year.......

o...... 世紀大實驗炒左...... 詳情請睇 nature.com