Numbers: Their History and Meaning

Numbers: Their History and Meaning

Numbers: Their History and Meaning by Graham Flegg
2012 | EPUB | 8.75MB

Extremely readable, jargon-free book for general readers traces the evolution of counting systems, from the primitive techniques of antiquity to computers. Text examines the earliest endeavors to count and record numbers, initial attempts to solve problems by using equations, and origins of infinite cardinal arithmetic.

Famous Problems of Geometry and How to Solve Them

Famous Problems of Geometry and How to Solve Them

Famous Problems of Geometry and How to Solve Them by Benjamin Bold
1982 | EPUB | 3.42MB

Amateur puzzlists as well as students of mathematics and geometry will relish this rare opportunity to match wits with Archimedes, Euclid, Newton, Descartes, and other great mathematicians. Each chapter explores an individual type of geometric challenge, with commentary and practice problems, and reveals a milestone in the development of mathematics. Solutions.

The 4 Percent Universe

The 4 Percent Universe

The 4 Percent Universe: Dark Matter, Dark Energy, and the Race to Discover the Rest of Reality by Richard Panek
2011 | EPUB | 328.24KB

The epic, behind-the-scenes story of an astounding gap in our scientific knowledge of the cosmos.

In the past few years, a handful of scientists have been in a race to explain a disturbing aspect of our universe: only 4 percent of it consists of the matter that makes up you, me, our books, and every planet, star, and galaxy. The rest—96 percent of the universe—is completely unknown.

Richard Panek tells the dramatic story of how scientists reached this conclusion, and what they’re doing to find this "dark" matter and an even more bizarre substance called dark energy. Based on in-depth, on-site reporting and hundreds of interviews—with everyone from Berkeley’s feisty Saul Perlmutter and Johns Hopkins’s meticulous Adam Riess to the quietly revolutionary Vera Rubin—the book offers an intimate portrait of the bitter rivalries and fruitful collaborations, the eureka moments and blind alleys, that have fueled their search, redefined science, and reinvented the universe.



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pages: 295 296 297 298 299 300 301 302 303 304 305
*100: 100 200 300