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winwaed
  • Member for 9 years, 9 months
  • Last seen more than a month ago
18 votes
1 answer
312 views

Did the Digges Telescope actually exist?

13 votes
4 answers
2k views

Who invented the steam engine: Newcomen or Watt?

11 votes
4 answers
2k views

Why did most steam locomotives use simple expansion?

11 votes
1 answer
121 views

How did Sedgwick explain the succession of species?

10 votes
1 answer
497 views

Why did George Cayley never crack the stability problem?

10 votes
2 answers
3k views

Why was the Tertiary period dropped but the Quaternary retained?

9 votes
1 answer
2k views

Who discovered that different objects accelerate at the same rate due to gravity?

8 votes
1 answer
86 views

How and when was it realized that ophiolites represented pieces of ocean crust?

8 votes
1 answer
513 views

What was the reaction to Kepler's *Somnium* when it was published?

7 votes
1 answer
178 views

What advances allowed Lippershey and Galileo to make working telescopes?

6 votes
1 answer
89 views

Significance of partial melting as a form of melt production