Résultats pour "Essais" dans Professionnels et universitaires

Does time exist? What is infinity? Why do mirrors reverse left and right but not up and down? In this scintillating collection, Holt explores the human mind, the cosmos, and the thinkers who’ve tried to encompass the latter with the former. With his trademark clarity and humor, Holt probes the mysteries of quantum mechanics, the quest for the foundations of mathematics, and the nature of logic and truth. Along the way, he offers intimate biographical sketches of celebrated and neglected thinkers, from the physicist Emmy Noether to the computing pioneer Alan Turing and the discoverer of fractals, Benoit Mandelbrot.

In 1845 Henry David Thoreau, one of the principal New England Transcendentalists, left the town for the country. Beside the lake of Walden, he built himself a log cabin and returned to nature, to observe and reflect, while surviving on $8 a year. From this experience emerged one of the great classics of American literature, a deeply personal reaction against the commercialism and materialism that he saw as the main impulses of mid-19th century America.

The last 20 years have brought us the rise of the Internet, the development of artificial intelligence, the ubiquity of once unimaginably powerful computers, and the thorough transformation of our economy and society. Through it all, Ellen Ullman lived and worked inside that rising culture of technology, and in Life in Code she tells the continuing story of the changes it wrought with a unique, expert perspective.