WAUKESHA, Wis. – Understanding astronomy isn’t just about exploring the universe through a telescope. It’s understanding the laws of physics, challenging theories, and testing ideas with simulations.
When South Dakota Mines Professor Emeritus Donald Teets, D.A., set out to understand contradictory claims in two calculus textbooks 30 years ago, he didn’t expect it to launch a new chapter in his ...
Most of us have a general idea as to why today is Feb. 29 instead of March 1, but until this morning, I, at least, had not been well steeped in the nitty-gritty details (or had forgotten them from ...
CC0 Usage Conditions ApplyClick for more information. This 75-minute teacher webinar focused on the ways in which the Maya have used the Sun to track time for thousands of years. Ancestral calendars ...
Spine title: Maury's navigation. Edition statement from Preface to the third edition, p. [vi]. Tables XIX and XX and Index (p. [297]-336) are bound after Tables I-XVIII (184 p. inserted after p. [296] ...
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