Questions tagged [17th-century]

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7
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2answers
189 views

Who was “Urbino d'Aviso” that described how to fold paper into a pentagon?

I have found this in David Wells' "Curious and Interesting Puzzles" (1992), Penguin books, page 36: "The next problem occurs first in Urbino d'Aviso's treatise on the sphere (1682): A ...
4
votes
1answer
79 views

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? ...
0
votes
0answers
61 views

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 ...
10
votes
1answer
302 views

Why did 92% of cases of simultaneous discovery in the 17th century end in dispute?

I read on http://en.wikipedia.org/wiki/Academic_publishing : One of the earliest research journals is the Philosophical Transactions of the Royal Society, created in the 17th century. At that ...