9 September 2024
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Fact of the Week
Learn a different fact every week!
Fact of the week
Fact of the week
9 September 2024
Your brain can make you ‘see’ an object that isn’t really there!
Optical illusions are tricking your brain, not your eyes. They are images designed to trick your brain into seeing something that isn’t really there. Because of the way your brain works, even when you know the trick, it’s almost impossible to train your eyes not to see the illusion. Trying to force your brain to cope with two conflicting ideas at the same time is hard work. Look at the grey lines. Are they parallel or not? Find a ruler with a flat edge and you can check that these lines really are parallel, even though they appear slanted.
Find out more in:
100 Things to Know About the Human Body
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Previous Facts of the Week
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26 August 2024
The President’s disguise requires a fleet of identical helicopters
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29 July 2024
Dots, lines and squiggles can spell out ballads, songs and symphonies
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