Showing results by author "Alan Hirshfeld"

Categories

All Categories

2 results
Sort by
    • Starlight Detectives

    • How Astronomers, Inventors, and Eccentrics Discovered the Modern Universe
    • By: Alan Hirshfeld
    • Narrated by: Joe Barrett
    • Length: 13 hrs and 4 mins
    • Unabridged
    • Overall
      4 out of 5 stars 207
    • Performance
      4 out of 5 stars 190
    • Story
      4 out of 5 stars 189

    In 1929, Edwin Hubble announced the greatest discovery in the history of astronomy since Galileo first turned a telescope to the heavens. The galaxies, previously believed to float serenely in the void, are in fact hurtling apart at an incredible speed: the universe is expanding. This stunning discovery was the culmination of a decades-long arc of scientific and technical advancement.

    • 5 out of 5 stars
    • Experience the discovery of most of the universe.

    • By Zachary Adams on 05-26-15

    Regular price: $24.95

    • Eureka Man

    • The Life and Legacy of Archimedes
    • By: Alan Hirshfeld
    • Narrated by: Ken Kliban
    • Length: 6 hrs and 41 mins
    • Unabridged
    • Overall
      3.5 out of 5 stars 13
    • Performance
      3.5 out of 5 stars 13
    • Story
      3.5 out of 5 stars 13

    Many of us know little about Archimedes other than his "Eureka" exclamation upon discovering that he could immerse an object in a full tub of water and measure the spillage to determine the object's weight. That seemingly simple observation not only proved to King Hieron II of Syracuse that a certain amount of silver had been used in what was supposed to be his solid-gold crown, it established the key principles of buoyancy that govern the flotation of hot-air balloons, ships, and denizens of the sea.

    • 3 out of 5 stars
    • Good Work

    • By P. Chen on 06-18-18

    Regular price: $19.95