Get your brain working: How many answers can you get? (Courtesy: Shutterstock/Jackie Niam) To mark Physics World’s first AI in Medical Physics Week, we’ve put together a short quiz to see how much you ...

What colour would the Sun be in a 4D universe? How slow is a pendulum clock on top of a skyscraper? Do perfectly balanced objects ever fall over? If you enjoy head-scratching physics conundrums, we ...