Download E-books Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time PDF

By Dava Sobel

Anyone alive within the eighteenth century could have identified that "the longitude challenge" used to be the thorniest medical obstacle of the day―and were for hundreds of years. missing the facility to degree their longitude, sailors during the nice a long time of exploration were actually misplaced at sea once they overlooked land. millions of lives and the expanding fortunes of countries held on a solution. One guy, John Harrison, in entire competition to the medical neighborhood, dared to visualize a mechanical solution―a clock that may retain specified time at sea, anything no clock had ever been in a position to do on land. Longitude is the dramatic human tale of an epic medical quest and of Harrison's forty-year obsession with construction his excellent timekeeper, recognized this present day because the chronometer. jam-packed with heroism and chicanery, it's also a desirable short heritage of astronomy, navigation, and clockmaking, and opens a brand new window on our world.

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Download E-books Origins: Fourteen Billion Years of Cosmic Evolution PDF

By Neil deGrasse Tyson

“Who can ask for larger cosmic travel courses to the universe than Drs. Tyson and Goldsmith?” ―Michio Kaku, writer of Hyperspace and Parallel Worlds

Our actual origins will not be simply human, or perhaps terrestrial, yet actually cosmic. Drawing on fresh clinical breakthroughs and the present cross-pollination between geology, biology, astrophysics, and cosmology, ?Origins? explains the soul-stirring leaps in our knowing of the cosmos. From the 1st photo of a galaxy start to Spirit Rover's exploration of Mars, to the invention of water on certainly one of Jupiter's moons, coauthors Neil deGrasse Tyson and Donald Goldsmith behavior a galvanizing journey of the cosmos with readability and enthusiasm. 32 pages of colour illustrations

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Download E-books Galaxies: A Very Short Introduction PDF

By John Gribbin

During this attention-grabbing Very brief advent, renowned technology author John Gribben tells the tale of our becoming figuring out of galaxies, from the times sooner than Galileo to our present-day observations of our many 1000s of hundreds of thousands of galactic acquaintances. not just are galaxies interesting astronomical buildings in themselves, yet their examine has published a lot of what we all know at the present time concerning the cosmos, delivering a window at the enormous Bang and the origins of the Universe. Gribben appears to be like at our personal "Milky means" Galaxy intimately, from the various forms of stars which are born inside of it, to the origins of its impressive spiral constitution. might be finest, Gribben describes the various intriguing discoveries were made approximately our personal galaxy and approximately these past: how a supermassive black gap lurks on the heart of each galaxy, how huge, immense forces are published whilst galaxies collide, how far-off galaxies offer a window at the early Universe, and the way the formation of younger galaxies shed wanted gentle at the mysteries of chilly darkish Matter.

About the Series: Combining authority with wit, accessibility, and magnificence, Very brief Introductions supply an advent to a couple of life's best subject matters. Written via specialists for the newcomer, they display the best modern pondering the imperative difficulties and matters in countless numbers of key themes, from philosophy to Freud, quantum conception to Islam.

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Download E-books Galileo in Rome: The Rise and Fall of a Troublesome Genius PDF

By William R. Shea

Galileo's trial by way of the Inquisition is without doubt one of the so much dramatic incidents within the heritage of technology and faith. this present day, we have a tendency to see this occasion in black and white--Galileo all white, the Church all black. Galileo in Rome offers a way more nuanced account of Galileo's dating with Rome.
The ebook bargains a desirable account of the six journeys Galileo made to Rome, from his first stopover at at age 23, as an unemployed mathematician, to his ultimate fateful trip to stand the Inquisition. The authors show why the idea that the Earth revolves round the sunlight, set forth in Galileo's Dialogue, stirred a hornet's nest of theological concerns, they usually argue that, regardless of those concerns, the Church may have approved Copernicus if there have been stable facts. extra fascinating, they convey how Galileo dug his personal grave. To get the imprimatur, he introduced political strain to endure at the Roman Censor. He disobeyed a Church order to not train the heliocentric idea. And he had a personality named Simplicio (which in Italian appears like simpleton) increase a similar objections to heliocentrism that the Pope had raised with Galileo. The authors express that during the trial, until eventually the ultimate sentence and abjuration, the Church handled Galileo with nice deference, and as soon as he used to be declared accountable commuted his sentence to accommodate arrest.
the following then is a different examine the lifetime of Galileo in addition to a strikingly assorted view of an occasion that has come to epitomize the Church's meant antagonism towards science.

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