Optical illusions!

Optical illusions are images that play tricks on the eye and brain. The eye tells the brain what it’s seeing, but sometimes the information gets muddled and the brain has trouble unscrambling the mess. And that can mean hours of fun! Here are some of our favourites to try at home or on your friends. Enjoy!

1) Look closely at the circle in the centre of these two patterns.
Which pattern has the larger centre circle? 

 

2) How many legs does this elephant have?

 

3) Are these cylinders moving?

 


4) Do you notice anything strange about the
edges of this square?

 


5) Look at this image carefully.
Are the long lines parallel?



6) Stare at the dot in the centre of this pattern, then move
towards and away from the screen. What happens?

 

7) Take a look at this picture – do you see grey dots flashing
at you when you look at it?

 


8) Are the horizontal lines sloping in or
are they straight?

Answers

1. The circles are the same size.
2. There are two answers: some people see four and some see five!
3. No, they just look like they're moving.
4. The square's edges seem to bend inwards because the circles are playing with your mind!
5. They may seem distorted, but these lines are perfectly straight.
6. Wow! The wheel is turning.
7. It may seem that way, but it's just an illusion.
8. They're straight! The way they're placed is tricking your brain!

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