In this breathtaking lecture, Richard Feynman, one of the century's greatest physicists, uses nothing more advanced than high-school geometry to explain why the planets orbit the sun elliptically rather than in perfect circles. Photos & diagrams.
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In this breathtaking lecture, Richard Feynman, one of the century's greatest physicists, uses nothing more advanced than high-school geometry to explain why the planets orbit the sun elliptically rather than in perfect circles. Photos & diagrams.
Read Less
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Seller's Description:
This is a used book in good condition and may show some signs of use or wear. This is a used book in good condition and may show some signs of use or wear.
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Seller's Description:
Fair. This item is in overall acceptable condition. Covers and dust jackets are intact but may have heavy wear including creases, bends, edge wear, curled corners or minor tears as well as stickers or sticker-residue. Pages are intact but may have minor curls, bends or moderate to considerable highlighting/ writing. Binding is intact; however, spine may have heavy wear. Digital codes may not be included and have not been tested to be redeemable and/or active. A well-read copy overall. Please note that all items are donated goods and are in used condition. Orders shipped Monday through Friday! Your purchase helps put people to work and learn life skills to reach their full potential. Orders shipped Monday through Friday. Your purchase helps put people to work and learn life skills to reach their full potential. Thank you!
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Good. Good condition. With remainder mark. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. Bundled media such as CDs, DVDs, floppy disks or access codes may not be included.
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Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
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Seller's Description:
Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
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Seller's Description:
Good. Size: 6x1x8; Ex-Library copy, Has Heavy shelf wear, but still a good reading copy A portion of your purchase of this book will be donated to non-profit organizations. Over 1, 000, 000 satisfied customers since 1997! Choose expedited shipping (if available) for much faster delivery. Delivery confirmation on all US orders.
I couldn't get through Newton's Principia. Come to find out, neither could Feynman. This book provides clear, easily understandable proofs, along with an interesting background of planetary motion theories from Copernicus forward.
