SOME people have speculated that when the Large Hadron Collider is switched on at CERN in Switzerland later this year, time travellers from the future may appear (New Scientist, 9 February, p 32).
“We should be ready to welcome them,” Anthony Higham decrees, “on this, the most important event in history – in actual fact the end of history.”
But what should we say to them?
“We had better keep it short,” Higham points out. “These people are going to be very busy. When you have all the time in the world to do something, it never gets done. Our guests literally have all the time in the…
