Core Memory by John Alderman

Nonfiction 1

By John Alderman

An unparalleled blend of desktop historical past and amazing photos, middle reminiscence finds sleek technology's evolution during the world's most famous computing device assortment, the pc heritage Museum within the Silicon Valley. shiny photographs trap those traditionally very important machines - together with the Eniac, Crays thirteen, Apple I and II - whereas authoritative textual content profiles every one, telling the tales in their strategies and peculiarities. Thirty-five machines are profiled in over a hundred outstanding colour photos, making middle reminiscence a shocking addition to the library of images creditors and the final word geek-chic reward.

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By St. Bernard of Menthon, have rescued many travelers trapped in the mountain passes of Switzerland by sudden and unexpected snowstorms. In the early fall of 1846, an unexpectedly early snowstorm in the Sierra Nevada trapped the Donner Party, a group of emigrants from the East seeking to reach California. The early storm was followed by many additional snowfalls, leading to the deaths of most of the members of the party. Some were believed to have resorted to cannibalism to relieve their hunger in the weeks immediately preceding their own deaths from starvation.

During World War I an estimated 40,000 to 80,000 soldiers were killed and maimed in the Alps by avalanches caused by the sounds and explosions of combat. Such massive loss of life, however, is not representative of avalanche disasters. In a more typical year the country of Switzerland, for example, has an average avalanche death rate of fewer than 25. An 1892 avalanche that destroyed the Swiss resort towns of St. Gervais and La Fayet, killing 140 residents and tourists, was considered a fairly deadly and unusual occurrence.

Blizzards are produced by strong frontal cyclones that bring low temperatures and blowing snow. Blizzards in the Arctic, Antarctic, mountainous regions, or the continental tundra may have winds that blow in excess of 100 miles per hour, with subzero temperatures creating the legendary blizzards of the polar seas and polar areas. Blizzard snow as well as the perpetual snow cover often found on 15 Blizzards, Freezes, Ice Storms, and Hail Milestones 1643-1653: Europe experiences its severest winters after the Ice Age.

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