Are we living in a simulation?

"Physics is full of absurdities," says Professor Andrew Pontzen (UCL Physics & Astronomy) in his new book 'The Universe in a Box' which considers if computer modelling of the universe can help us understand the nature of reality.

Read: Times (£), More: Al Jazeera, BBC Inside Science 'Mapping the universe' (from 27 mins, 30 secs)