Who made the first weather instrument?
Vivian AhernI think it's Andronicus.
The weather vane, also known as a weather cock because of its resemblance to a chicken, was designed by Greek astronomer Ptolemykos in 48 B.C. in Athens on top of the Tower of Winds. It was intended to resemble the Greek god Triton.
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Hannah AmosThe first weather instrument, the thermometer, was invented by Galileo Galilei in the early 17th century.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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