.png?width=1200&auto=webp&trim=0%2C145%2C0%2C144)
The Independent Korean mathematician solves 60-year-old ‘moving sofa problem’ popularised by American sitcom Friends
Scientific American jokes that ‘explaining the ‘Pivot!’ shouted by Ross Geller required a 119-page paper’
Scientific American jokes that ‘explaining the ‘Pivot!’ shouted by Ross Geller required a 119-page paper’