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Bill Nye the Science Guy - Season 1 Episode 20 : Eyeball

Bill Nye the Science Guy
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Look no further ... Bill Nye is on the ball - the eyeball. For their small size, your eyes do an important job. By working with your brain, your eyes can tell the difference between thousands of different colors. They can follow a fast-moving hockey puck across the ice. They are even sending messages to your brain about what you're reading right now. Eyes work a lot like a camera. They take in light, focus light, and make images. With help from the brain, your eyes help understand the world around you. Light bouncing into your eye passes through an opening called the pupil. If you look in the mirror, your pupil is the black area in the middle of your eye. The pupil can open or close, depending on the brightness of the light. After passing the pupil, the light is focused onto the back of your eye by the lens, a thin layer of cells. On the back of your eye are special cells called rods and cones that are sensitive to light. These cells send electrical messages to your

Title Bill Nye the Science Guy - Season 1 Episode 20 : Eyeball
Alternative Titles 比尔教科学, Bill Nye, the Science Guy
First Air Date 1993-09-10
Last Air Date 1998-06-20
Number of Episodes 100
Number of Seasons 5
Genres Comedy, Documentary, Kids,
Networks PBS,
Casts Bill Nye, Rachel Glenn, Jennifer Lin, Amy Broder, Ethan Ferkiss
Self - Host
Self - Host
Bill Nye
Nancy
Nancy
Rachel Glenn
Jennifer Lin
Amy
Amy
Amy Broder
Smell Gibson
Smell Gibson
Ethan Ferkiss
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