STEAM
One day we might be able to rule time travel out but not yet, there is still a lot to learn
For our STEAM 2026 special, Caitlin Maskell talks to one of the most engaging voices in physics, the broadcaster Professor Jim Al-Khalili, whose new book explores how the ticking clocks can feel fast or slow at different times (... so yes she asked him about movie time machines)
28th August — By Caitlin Maskell