Does this illusion fool you? Lasse Kristensen/Alamy Stock Photo
Do try this at home. It’s an “impossible” physical experience a bit like an optical illusion.
Take three empty matchboxes and fill one with something heavy. Now lift the weighted box on its own. Then put it down and next lift all three together. You won’t believe your brain. In tests by Isabel Won and colleagues at Johns Hopkins University in the US, 90 per cent of students who tried it said that the individual weighted box felt heavier than the trio held together. …
