In Riverside, California, there is an old law on the city's books which makes it illegal to kiss unless both people wipe their lips with rose water.
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Where a calculator on the ENIAC is equipped with 18,000 vacuum tubes and weighs 30 tons, computers in the future may have only 1,000 vaccuum tubes and perhaps weigh 1.5 tons.

Popular Mechanics, March 1949

The sidereal day.

The length of time which passes between a given "fixed" star in the sky crossing a given projected meridian (line of longitude). The sidereal day is 23 h 56 m 4.1 s, slightly shorter than the solar day because the Earth Eric Weisstein's World of Astronomy's orbital motion about the Sun Eric Weisstein's World of Astronomy means the Earth Eric Weisstein's World of Astronomy has to rotate slightly more than one turn with respect to the "fixed" stars in order to reach the same Earth-Sun orientation. Another way of thinking about the difference is that it amounts to 1/365.2425th of a day per day, since even if the Earth Eric Weisstein's World of Astronomy did not spin on its axis at all, the Sun Eric Weisstein's World of Astronomy would appear to make one rotation around the Earth Eric Weisstein's World of Astronomy as the Earth Eric Weisstein's World of Astronomy completed a single orbit (which takes one year).

Interesting facts and tidbits!

The average person blinks about 10,000 times in a year.

Who counted them??

Bob.
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"Human beings are the only creatures that allow their children to come home."
- Bill Cosby (1937 - )

There have only been two volcano eruptions big enough to spread ash over the entire globe in the last 2000 years.

One of them, the massive explosions of Krakatoa in Indonesia on August 26 - 27, 1883, was among the most violent volcanic events in modern times.

A whale's heart beats about 10 times a minute.

Women were banned by royal decree from using hotel swimming pools in Jidda, Saudi Arabia, in 1979.

Bob.
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"I have enough money to last me the rest of my life, unless I buy something."
- Jackie Mason

Where in the Sharia, Hadith, or Koran does it say anything about that??? Suppose it's a women's-only hotel???

There is a good reason these folks hide their women under lots of robes.