Tag Archives: telescope

(16)75

In 1675, Charles II of England founded the Royal Observatory Greenwich in order to improve global naval navigation (10+7).  Many disasters had occurred at sea because sailors did not know the precise longitude (East/West direction) of where they were when out of sight of land.  “In 1714, Parliament established a panel of experts, the Board [...]

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Finding Powers of 10 in 10 random topics…

Many of us worry about things that we can’t see with the naked eye because they seem so abstract that they are hard to comprehend. Thinking about these 10 random topics at different powers of 10 helps give one a starting point. – cloning using DNA (10-9) of sheep (100), flowers (10-2), or ants (10-3) [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1452 days ago