By now we’re used to the idea that the world has four dimensions: three spatial and one temporal. But what if there were a fifth dimension – what would that dimension look like, and how would it relate…

One thing most of us know about time is that there isn’t enough of the stuff, and that the problem is getting worse. “Too swiftly now the Hours take flight,” as the English poet Austin Dobson (1840-1921…

Switzerland’s Large Hadron Collider (LHC) can be called a time machine in one sense: it enables us to examine conditions as they were during the universe’s early stages. But is the 27km-long particle…