Until the nineteenth century, solid blocks of tea were used as money in Siberia!

      

When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!

      

A Boeing 747 airliner holds 57,285 gallons of fuel!

      

A lightning bolt generates temperatures five times hotter than those found at the sun’s surface!

      

A violin contains about 70 separate pieces of wood!

      

It is estimated that 4 million “junk” telephone calls, phone solicitations by persons or programmed machine are made every day in the United States

      

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