At first glance, this puzzle looks so simple that almost anyone should be able to solve it.
Four glasses sit side by side, each filled with water to approximately the same level.
But there’s one important difference.
Inside the first glass is a paperclip.
The second contains a baseball.
The third holds an eraser.
And the fourth contains a wristwatch.
Now comes the question that has puzzled many people who enjoy visual brain teasers:
Which glass actually contains the most water?
Some people immediately choose the glass with the largest-looking water level, while others begin comparing the objects inside.
But there’s a small scientific detail that can completely change your answer.
The secret isn’t necessarily how full the glasses appear.
It’s how much space each object takes up beneath the water.
Take 10 seconds to make your choice before discovering the simple explanation behind this surprisingly tricky puzzle.
Continue below in Part 2
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