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Eyal Gever is an Israeli digital artist with 18 years’ experience in 3D imaging technology. He started using his extensive knowledge of software and code to write computer simulations of natural catastrophes such as oil spills and tsunamis, and soon began using 3D printers to transform them into cutting-edge sculptures.

Professor Robert Kaplan is the co-founder of the Math Circle at Harvard University in the USA. In the course of his long teaching career, he has worked with students from six to sixty, and has taught philosophy, Greek, German, Sanskrit and Inspired Guessing, besides mathematics. He has published many books on mathematical ideas including ‘The Nothing that is: A Natural History of Zero’ (1999) and ‘The Art of the Infinite’ (2003).

Eyal Gever proposes a Crystal Ball App which would calculate the world’s future at the press of a button. He says that if we compiled a database of world events, and the political decisions that led to them, we could produce algorithms to work out the likely consequences of our choices. The app could advise politicians on their strategic options, and warn us when history was about to repeat itself.

Disgust:  What prompts feelings of disgust – at ideas we consider unacceptable, as well as horrible food and distressing images.