‘All sorts of stuff happens in my little workshop’

When he’s not playing guitar for Queen, Brian May PhD is an astronomer and inventor. He talks about his latest gadget – an update on the Victorian stereoscopeBrian May is examining his hands. His fingernails are painted with a futuristic, silvery polish, but it’s his fingertips he’s focused on. They are, he informs me, covered with soft calluses. It’s hardly surprising – he’s just flown in from Barcelona, where he’s been on tour, thrashing out hits