Questions tagged [16th-century]

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What was the first “scientific”, non-photographic depiction of Earth as seen from outside of Earth?

For a long time now, I've been thinking about this: when was the first painting, illustration or depiction of any kind where our planet Earth is seen as a sphere in space? Possibly even from the Moon? ...
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How was the term speed treated in the 16th and 17th centuries?

What did people in the 16th and 17th centuries mean by the term speed? Did they have $$\text{speed} = \frac{ \text{distance} }{ \text{time} }$$ back then? Or did they have some other notion of speed ...
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What was the typical format of a 16th century mathematical debate?

In The Equation that Couldn't be Solved, Mario Livio writes of academia in 16th century Bologna. Apparently, mathematicians would take part in public debates, sometimes involving solving problems. ...