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|   What's a Door-shaker? The great flu epidemic of 1918 killed about 20 million people. Some towns lost 10 percent of their population. People locked themselves in their houses and didn't come out. Police became "door-shakers". They went house to house rattling the doorknobs. If someone answered, fine. If not, workers would go inside to retrieve the bodies and drag them to the makeshift morgue at the icehouse. | At age 16 you believe you are invincible. At some point, probably about 40, your body ain't what it used to be and you become ... vincible. | - In 1842, Crawford W. Long of GA first used ether as an anesthetic during a minor operation. You really didn't want to get hurt before this date. | |||||||||
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Keep counting your points until you get the same number twice. | ||||||||||
| My watch is 1 second fast per hour. Yours is slow 1 1/2 seconds per hour. Right now they show the same time. When will they show the same time again? Solution | |||||||||||
 
 
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Solution to Double Time
They will show the same time again when the gain of mine plus
the lag of yours equals 12 hours (43,200 seconds). In x hours my
watch will be x seconds fast and yours will be 3/2 x seconds slow.
Solving: x + 3/2 x = 43,200. So x =17,280 hours or 720 days.
The watches will both show the correct time again in about 2 years.
 
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