What is time? Any child knows the answer, and yet even the most advanced theoretical physicist is hard put for a fully satisfactory definition. He cannot say for certain when time started, when it will end, or even if it really exists in a philosophical sense. Yet the measurement of time is the basis of all science, for the scientist can study only what changes with time. Astronomers chart the history of the universe in "big time," the passage of billions of years. Physicists and engineers subdivide "little time" into billionths of a second. Biologists have discovered that animals and plants measure time, too - that even the lowliest of single-celled organisms depend on biological clocks to keep themselves synchronized internally and externally. This book explores all of these facets of the meaning of time.
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Seller: Library House Internet Sales, Grand Rapids, OH, U.S.A.
Hardcover. Condition: Good. No Jacket. Moderate edgewear on the boards. Binding is moderately loose. Moderate shelf wear. Noticable fading due to exposure to sunlight. Please note the image in this listing is a stock photo and may not match the covers of the actual item. Book. Seller Inventory # 123607177
Seller: -OnTimeBooks-, Phoenix, AZ, U.S.A.
Condition: good. A copy that has been read, remains in good condition. All pages are intact, and the cover is intact. The spine and cover show signs of wear. Pages can include notes and highlighting and show signs of wear, and the copy can include "From the library of" labels or previous owner inscriptions. 100% GUARANTEE! Shipped with delivery confirmation, if you're not satisfied with purchase please return item! Ships via media mail. Seller Inventory # OTV.0809404532.G
Seller: SHIMEDIA, Brooklyn, NY, U.S.A.
Condition: New. Satisfaction Guaranteed or your money back. Seller Inventory # 0809404532