Jim Al-Khalili

'What if ...?' are the two words that sow the seeds for human speculation, experimentation, invention, evolution, revolution, revision and change. Consider the consequences of travelling back to the future or exploring the past. What if we dug a black hole or built a warp drive? How far away is science fiction from science fact? Explore aspects of physics that today seem as strange as when they first fooled great thinkers of the past or that remain...