Tag Archives: Flash

How does a camera take pictures?

Camera film is coated with special chemical sensitive to light.   A camera is basically a box which light cannot enter, except through a small hole located at one end of the camera. This opening is covered with a glass lens.  A shutter opens and closes the hole behind the lens.  When we open  and close …

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What is a shooting star?

Shooting stars are tiny meteors that glow white hot when they hurtle from out of space into the earth’s atmosphere. If you look up at the sky long enough on a dark, clear night, you may see the fiery streak of a “shooting star” flash across the sky. While “shooting star” may be a pretty …

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