Gilberto, the frame-maker, is happily looking at his last job, just finished. But is that woman in the photograph really moving? Is the frame a door open onto a parallel dimension? And how c... Read allGilberto, the frame-maker, is happily looking at his last job, just finished. But is that woman in the photograph really moving? Is the frame a door open onto a parallel dimension? And how can we be sure about what we call 'time'?Gilberto, the frame-maker, is happily looking at his last job, just finished. But is that woman in the photograph really moving? Is the frame a door open onto a parallel dimension? And how can we be sure about what we call 'time'?