Quantum entanglement is a very intriguing issue, but it is not impossible. Roger Penrose More Quotes by Roger Penrose More Quotes From Roger Penrose Sometimes it's the detours which turn out to be the fruitful ideas. Roger Penrose turn out sometimes ideas The idea is if you use those two shapes and try to colour the plane with them so the colours match, then the only way that you can do this is to produce a pattern which never repeats itself. Roger Penrose never try you way Ordinary photons do have spin, they have a notion of helicity so they spin around their direction on motion. Roger Penrose spin motion direction ordinary In the book, I make the point that here we have string theory and here we have twistor theory and we don't know if either one of them is the right approach to nature. Roger Penrose right know nature book