Trigonometry on the High Seas

The Importance of Mathematics in Seafaring > Similarity > The Origin of Trigonometry
Early sailors had to be excellent mathematicians.

 Waves in History and Light

The Rhythms of Nature > Similarity > The Universe is Made Up of Two Kinds of Waves
Waves in the strata shed light on our history as the waves that make up everything shed light on the now.

 History in Waves

Richard Feynman Describes the Waves Running Through Our Environment > Similarity > The Rhythms of Nature
Waves travel across the universe in radiation, describing celestial objects we cannot see, and waves put layers in rock, describing times past.

 Natural History in Waves

The Many Waves and How They Interact in the Ocean > Similarity > The Rhythms of Nature
Carson and Barell observing the waves in nature.

 Newton Saw the Moon Falling, Not an Apple

It Wasn\'t the Apple that Newton Used to Discover Gravity > Emphasis > Newton Saw that the Moon is Falling
He extended the force pulling the apple to the ground and extended it to the moon.