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Do You Know
Questions & Answers on General Knowledge.

Question:
What’s a charley horse?
Answer:
A charley horse a muscle cramp, or sudden, uncontrolled contraction of a muscle. This type of pain is generally felt in the legs, sometimes after heavy exercise, and usually lasts just a few minutes. The expression probably came from the word "charley," which is used to describe a horse that is lame.
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    Tripod & Shutter Cable

    Reduce camera shake by building yourself a miniature tripod with a few pieces of cardboard. Then use the volume control on your headphones as a shutter release.


    Chourishi Systems