Roger Penrose is not only a mathematical physicist: he’s also a pure mathematician . So it’s not a surprise that Penrose expresses the d...

  The classic case of a natural kind is water. This natural kind throws up many problems. These problems have been debated many times in — ...

  Can machines (or computers) think? What did  Alan Turing  have to say to that question? Well, he believed that the question is too “meanin...