Shoes on or off? Laptops in or out? And don’t get us started on the rules around liquids! Getting through airport security never seems to be simple. It’s there for a reason, of course. But there are so many rules and why do they seem to be different everywhere you go?
We’re joined by science journalist and presenter Caroline Steel to talk about everything from the miles long luggage belts our suitcases travel on, how x-ray scanners work, what they’re looking for and whether or not they can ACTUALLY see us naked.
Instagram: @bbcwhatintheworld Email: whatintheworld@bbc.co.uk WhatsApp: +44 330 12 33 22 6 Presenter: Hannah Gelbart Producers: Mollie Perella and Baldeep Chahal Video Producer: Baldeep Chahal Editor: Emily Horler