Scientific American Supplement, No. 620, November 19,1887 PDF Download
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Author: Various
Publisher:
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Category :
Languages : en
Pages : 0
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Author: Various
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Editors of Scientific American
Publisher: Harper Collins
ISBN: 0061753602
Category : Reference
Languages : en
Pages : 289
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Why is the night sky dark? How do dolphins sleep without drowning? Why do hangovers occur? Will time travel ever be a reality? What makes a knuckleball appear to flutter? Why are craters always round? There's only one source to turn to for the answers to the most puzzling and thought-provoking questions about the world of science: Scientific American. Writing in a fun and accessible style, an esteemed team of scientists and educators will lead you on a wild ride from the far reaches of the universe to the natural world right in your own backyard. Along the way, you'll discover solutions to some of life's quirkiest conundrums, such as why cats purr, how frogs survive winter without freezing, why snowflakes are symmetrical, and much more. Even if you haven't picked up a science book since your school days, these tantalizing Q & A's will shed new light on the world around you, inside you, below you, above you, and beyond!
Author: Scientific American Editors
Publisher: Scientific American
ISBN: 1466842520
Category : Science
Languages : en
Pages : 265
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Fact or Fiction: Science Tackles 58 Popular Myths by the Editors of Scientific American Did NASA really spend millions creating a pen that would write in space? Is chocolate poisonous to dogs? Does stress cause gray hair? These questions are just a sample of the urban lore investigated in this eBook, Fact or Fiction: Science Tackles 58 Popular Myths. Drawing from Scientific American's "Fact or Fiction" and "Strange But True" columns, we've selected 58 of the most surprising, fascinating, useful and just plain wacky topics confronted by our writers over the years. Each brief article uncovers the truth behind everyday mythology, starting with Section One, "In the Animal Kingdom," where we examine some of the more outlandish claims about our fellow earthly inhabitants, such as whether elephants really remember everything and whether a cockroach can live without its head. Other sections cover reproduction, the environment, technology and personal and mental health. While the answers to some questions, such as whether toilets really do flush in the opposite direction south of the Equator, may only serve to raise your Trivial Pursuit knowledge, others, such as whether to pee on a jellyfish sting or wake a sleepwalker, may come in handy. Although this eBook represents a fraction of circulating folk wisdom and urban mythology, we hope that it's an enjoyable fraction and that it encourages you to do some debunking yourself.
Author: David Levy
Publisher: ibooks
ISBN: 1596877081
Category : Science
Languages : en
Pages : 1276
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SCIENTIFIC AMERICAN's The Big Idea: 150 Years of the Best and Worst Ideas in Modern Science goes beyond the headlines to present the passions, prejudice, and outrage that, from 1845 on, formed the ideas of modern science -- from the sublime to the ridiculous. This fascinating new book, based on SCIENTIFIC AMERICAN's wildly popular feature, "50, 100, and 150 Years Ago in Science Today", presents the often hilarious human aspect of science as well as a serious timetable of scientific discovery. Progress in science is rarely a straight line. While the events are arranged in chronological order, the chapters reflect the somewhat twisted path scientists take in developing their theories, conducting their experiments, presenting their findings, and getting acceptance for their ideas. The chapters in THE BIG IDEA include: Eureka! Great Discoveries & Inventions, which details achievements from insulin to the Talkies and more, often as first reported in SCIENTIFIC AMERICAN. From the Editor's Desk, which contains insightful and occasionally provocative commentary and news articles about subjects that have shaped our modern world. Great Debates reveals that not every invention or discovery was greeted with universal acclaim and acceptance -- and which big ideas were subject to derision when first advanced. It Seemed Like A Good Idea at the Time...contains reports on ideas and inventions that, quickly or ultimately, failed the test of time. Bizarro reveals the truly unusual lengths scientists go to prove their theories, no matter how outlandish.
Author: Sam Loyd
Publisher:
ISBN:
Category : Chess problems
Languages : en
Pages : 104
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 446
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Author: Harold Adams Innis
Publisher: London, McClelland
ISBN:
Category : Canadian Pacific Railway
Languages : en
Pages : 384
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Author: William J. Simmons
Publisher:
ISBN:
Category : Social Science
Languages : en
Pages : 1376
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TO PRESUME to multiply books in this day of excellent writers and learned book-makers is a rash thing perhaps for a novice. It may even be a presumption that shall be met by the production itself being driven from the market by the keen, searching criticism of not only the reviewers, but less noted objectors. And yet there are books that meet a ready sale because they seem like "Ishmaelites"--against everybody and everybody against them. Whether this work shall ever accomplish the design of the author may not at all be determined by its sale. While I hope to secure some pecuniary gain that I may accompany it with a companion illustrating what our women have done, yet by no means do I send it forth with the sordid idea of gain. I would rather it would do some good than make a single dollar, and I echo the wish of "Abou Ben Adhem," in that sweet poem of that name, written by Leigh Hunt. The angel was writing at the table, in his vision. The names of those who love the Lord.Abou wanted to know if his was there--and the angel said "No." Said Abou, I pray thee, then, write me as one that loves his fellow-men. That is what I ask to be recorded of me. The angel wrote and vanished. The next night It came again, with a great awakening light. And showed the names whom love of God had blessed. And lo! Ben Adhem's name led all the rest. I desire that the book shall be a help to students, male and female, in the way of information concerning our great names. I have noticed in my long experience as a teacher, that many of my students were wofully ignorant of the work of our great colored men--even ignorant of their names. If they knew their names, it was some indefinable something they had done--just what, they could not tell. If in a slight degree I shall here furnish the data for that class of rising men and women, I shall feel much pleased. Herein will be found many who had severe trials in making their way through schools of different grades. It is a suitable book, it is hoped, to be put into the hands of intelligent, aspiring young people everywhere, that they might see the means and manners of men's elevation, and by this be led to undertake the task of going through high schools and colleges. If the persons herein mentioned could rise to the exalted stations which they have and do now hold, what is there to prevent any young man or woman from achieving greatness? Many, yea, nearly all these came from the loins of slave fathers, and were the babes of women in bondage, and themselves felt the leaden hand of slavery on their own bodies; but whether slaves or not, they suffered with their brethren because of color. That "sum of human villainies" did not crush out the life and manhood of the race. I wish the book to show to the world--to our oppressors and even our friends--that the Negro race is still alive, and must possess more intellectual vigor than any other section of the human family, or else how could they be crushed as slaves in all these years since 1620, and yet to-day stand side by side with the best blood in America, in white institutions, grappling with abstruse problems in Euclid and difficult classics, and master them? Was ever such a thing seen in another people? Whence these lawyers, doctors, authors, editors, divines, lecturers, linguists, scientists, college presidents and such, in one quarter of a century?
Author: University of North Carolina (1793-1962)
Publisher:
ISBN:
Category : North Carolina
Languages : en
Pages : 992
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