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Thursday, June 26, 2014

What is echolocation?

What is echolocation? Echolocation is something animals can use to see in dark places. As a bat, your habitat is mainly caves, so it will be pitch black and hard to locate your prey. Bats use echolocation to locate their prey.

Bats send out sound waves to determine where an object’s location is using it’s mouth or nose. If the sound waves hit an object, it will produce echoes. The echo will bounce off the object and return back to the bat, that is when the bat will strike.  

Of all the blind people in the world, nothing is worse than having your eyes removed. But there is one person in the world who can see without eyes. This boy’s name is Ben Underwood. As he was a 3 year old child, his eyes had to be removed due to eye cancer.

If he didn’t have an operation earlier, the eye cancer would have spread to his brain and will eventually lead to his death. Ben’s mum had a choice. The choices were, to keep Ben’s vision or have his eyes removed. Ben’s mum chose to have the doctor operate on Ben’s eyes.

So then, Ben had to live his life without eyes. But Ben discovered a skill called echolocation. Ben Underwood uses sharp clicks using his mouth to see. The sharp clicks bounces off objects and returns back to him.
With this skill, he doesn't need eyes to see, he can use echolocation.

Ben Underwood can move through gaps, hear cars from a far distance,
play basket ball, and can ride a bike without a problem. This unique ability has helped Ben Underwood through the toughest times but he could have had a better life with eyes.

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