Download E-books Decoding the Heavens: A 2,000-Year-Old Computer--and the Century-long Search to Discover Its Secrets PDF

By Jo Marchant

In Decoding the Heavens, Jo Marchant tells for the 1st time the complete tale of the hundred-year quest to decipher the traditional Greek machine referred to as the Antikythera Mechanism. alongside the way in which she finds a various forged of outstanding characters and explores the deep roots of contemporary expertise in historic Greece and the medieval ecu and Islamic worlds. At its center, this can be an epic experience and secret, a ebook that demanding situations our assumptions approximately know-how in the course of the ages.

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Download E-books The Warlock in Spite of Himself PDF

By Christopher Stasheff

Welcome to Gramarye the place witches, warlocks, elves, and gnomes are genuine; the place a spoiled girl-queen and a military of adlescent witches and ragtag beggars conflict an overpowering strength of insurgent knights and time-travelling anarchists, for the way forward for the main detailed, and maybe most crucial, planet within the galaxy.
this is often what cynical, hard-bitten intergalactic undercover agent Rod Gallowglass faces while he and his robotic horse Fess, try and convey peace and democracy to this magic-ridden Renaissance-age society. Rod s undertaking is threatened at each flip via anarchists, communists, and double-dealing royalists enjoying vicious political energy video games. issues are made even worse whilst Rod's complicated know-how will get him classified a warlock regardless of his consistent denials. support comes from the main unforeseen assets whilst he meets an historical ghost, the King of the Elves, and the main strong witch on this planet.
this can be sword-and-sorcery with a witty, edgy, wry twist.
The vintage technological know-how fable novel by way of Christopher Stasheff involves lifestyles in eleven hours of dramatic audio, that includes recognized narrator Dennis Regan, and an entire cast.
This is an mp3 DVD.

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Download E-books Lunar Meteoroid Impacts and How to Observe Them (Astronomers' Observing Guides) PDF

By Brian Cudnik

The genesis of recent searches for observable meteoritic phenomena at the Moon is the paper by means of Lincoln l. a. Paz in well known Astronomy journal in 1938. In it he argued that the absence of saw fashes of meteoritic affects at the Moon could be interpreted to intend that those our bodies are destroyed as luminous meteors in an exceptionally rarefed lunar surroundings. The paper urged the opportunity of systematic searches for such attainable lunar meteors. With those suggestions in brain, i used to be shocked to notice a brief relocating brilliant speck at the Moon on July 10, 1941. It looked as if it would behave greatly as a lunar meteor might – other than that the poorly anticipated period might result in a strongly hyperbolic heliocentric pace. hence, the belief of systematic searches for either p- sible lunar meteors and meteoritic impression fashes was once born. It was once liked that a lot time may wish to be expended to accomplish any optimistic effects. Systematic searches have been conducted via others and myself chiefy within the years 1945–1965 and have become a typical software on the newly based organization of Lunar and Planetary Observers, or ALPO.

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Download E-books Microscope: A Fractal Role-Playing Game of Epic Histories PDF

By Ben Robbins

Humanity spreads to the celebs and forges a galactic civilization...

Fledgling countries come up from the ruins of the empire...

An historic line of dragon-kings dies out as magic fades from the realm...

These are all examples of Microscope video games. are looking to discover an epic background of your individual production, hundreds and hundreds or millions of years lengthy, all in a day? That's Microscope.

You won't play the sport in chronological order. you could defy the bounds of time and area, leaping backward or ahead to discover the elements of the historical past that curiosity you. are looking to jump one thousand years into the long run and notice how an establishment formed society? are looking to leap again to the early life of the king you simply observed assassinated and discover what made him any such hated ruler? That’s common in Microscope.

You have large strength to create... and to smash. construct attractive, tranquil jewels of civilization after which eat them with nuclear fireplace. Zoom out to observe the majestic tide of heritage wash throughout empires, then zoom in and discover the lives of the folks who persisted it.

Mock chronological order.
Defy time and space.
Build worlds and wreck them.

A role-playing online game for 2 to 4 avid gamers. No GM. No prep. Microscope was once playtested for 2 years by way of over one hundred fifty remarkable gamers.

"Ben Robbins' Microscope could be the clearest-written online game textual content I've ever learn - that's invaluable, since it can be essentially the most leading edge video games I've encounter in many years. Microscope engagingly demanding situations assumptions and upends long-held conventions of play whereas supplying a unique and gratifying night of gaming. And "fractal position playing" is not any shaggy dog story - the minute you end, you'll are looking to dive again in and discover a few attention-grabbing sliver of the monstrous heritage you simply built."
—Jason Morningstar, clothier of Fiasco

"It's been many years video game captures my cognizance like Microscope. skip the hype, it's a very extraordinary well-instruction'd game"
—Andy Kitkowski, founding father of story-games.com

Microscope Homepage

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Download E-books On the Shores of Titan's Farthest Sea: A Scientific Novel (Science and Fiction) PDF

By Michael Carroll

Titan is virtually a planet in its personal correct, with a diameter just like that of Mercury, methane rainstorms, natural soot and ethane seas. the entire so much precise wisdom at the moon's geology, volcanology, meteorology, marine sciences and chemistry are collected jointly the following to paint a factually actual hypothetical way forward for early human colonization on this unusual world.
The perspectives from Titan's Mayda Outpost are astonishing, yet all isn't good on the moon's distant technology base. at the shore of a methane sea underneath glowering skies, atmospherics researcher Abigail Marco unearths herself in the midst of homicide, piracy and co-workers who appear to be seeing sea monsters and lifeless humans from the earlier. On the beaches of Titan's Farthest Sea offers thrills, pleasure and secret - couched within the newest technological know-how - on one of many sun System's such a lot weird and wonderful worlds, Saturn's large moon Titan.
"Carroll's wisdom of planetary technology combines with an exceptional little adventure on Saturn's largest moon. His descriptions of oily seas and methane monsoons placed you in that alien global, entrance and middle. The know-how is convincing; i will be able to think destiny astronauts doing precisely the forms of issues Mike describes. I want i may be one in all them." - Alan Bean, Apollo 12 astronaut
"This riveting tale, set opposed to a plausibly good built-in interplanetary area, contains us in addition to its shiny and fascinating characters. We think completely transported to a hauntingly appealing and alien Titan via Carroll's masterful weaving of paintings and science." - Jani Radebaugh, Professor of Planetary Sciences, Titan dune specialist, BYU
"It's a enjoyable learn! quite makes Titan come alive, literally..." - Astrophysicist and writer Ralph Lorenz

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Download E-books Centauri Dreams: Imagining and Planning Interstellar Exploration PDF

By Paul Gilster

I wrote this booklet simply because i needed to benefit extra approximately interstel­ lar flight. no longer the celebrity Trek inspiration of tearing round the Galaxy in an incredible spaceship-that used to be evidently past current tech­ nology-but a extra sensible venture. In 1989 I had videotaped Voyager 2's stumble upon with Neptune and watched the drama of robot exploration again and again. i began to wonder if lets do anything related with Alpha Centauri, the closest famous person to the solar. all people appeared to agree that manned flight to the celebrities used to be out of the query, if now not completely then for the indefinitely foreseeable destiny. yet without doubt lets do whatever with robotics. And if shall we determine a theoretical solution to do it, how a long way have been we from the particular know-how that might make it take place? In different phrases, what used to be the nation of our interstellar expertise this present day, these suggestions and structures that will translate right into a Voyager to the celebrities? discovering solutions intended speaking to humans in and out of NASA. i used to be shocked to profit that there's a huge literature of interstellar flight. no one is aware evidently how one can propel an area­ craft quickly adequate to make the interstellar crossing inside of a time scale that may healthy the normal notion of a venture, yet there are candidate platforms which are less than lively research. a few of this attempt starts with small structures that we will use close to the Earth and later wish to increase to deep area missions.

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Download E-books Electronic Imaging in Astronomy: Detectors and Instrumentation (Springer Praxis Books) PDF

By Ian S. McLean

The moment version of digital Imaging in Astronomy: Detectors and Instrumentation describes the awesome advancements that experience taken position in astronomical detectors and instrumentation lately – from the discovery of the charge-coupled machine (CCD) in 1970 to the present period of very huge telescopes, akin to the Keck 10-meter telescopes in Hawaii with their laser guide-star adaptive optics which rival the picture caliber of the Hubble area Telescope.

Authored by way of one of many world’s best specialists at the layout and improvement of digital imaging structures for astronomy, this booklet has been written on numerous degrees to attract a large readership. Mathematical expositions are designed to inspire a much wider viewers, specifically one of the growing to be group of beginner astronomers with small telescopes with CCD cameras. The publication can be utilized on the collage point for an introductory path on smooth astronomical detectors and tools, and as a complement for a pragmatic or laboratory class.

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Download E-books Eclipse: The Celestial Phenomenon That Changed the Course of History PDF

By Duncan Steel

Whether interpreted as an auspicious omen or a sentinel of doom, eclipses have had a profound impression upon our cultural improvement. all through recorded heritage, they've got evoked consternation, worry, and dreadâ€"as good as awe and wonderment.

historic peoples have been in actual fact disconcerted by way of them. The Romans marked pivotal battles with the Greeks via references to an eclipse. The date of the crucifixion of Jesus Christ has been derived by utilizing biblical mentions of an eclipse. possibly so much famously, Christopher Columbus extorted much-needed foodstuffs from a few more and more unfriendly local hosts by way of purporting to illustrate the wrath of his strongest God whilst he properly envisioned a lunar eclipse.

The trend that eclipses followâ€"a cycle, known as the sarosâ€"was really calculated hundreds of thousands of years in the past. notwithstanding, it is just with the aid of glossy desktops that we have got been in a position to study and have fun with the information. Eclipses supply specified possibilities for today’s scientists to check such contrasting phenomena because the top layers of the sunlight, the slowdown of our planet’s spin expense, and the consequences of celestial occasions on human psychology.

In Eclipse, Duncan metal expertly captures our carrying on with fascination with all demeanour of eclipsesâ€"including the well-known sunlight and lunar kinds and different kinds related to stars, planets, asteroids, and comets in addition to far away galaxies and quasars. metal is helping us see that, in astronomical phrases, eclipses are fairly fairly uncomplicated affairs. relocating past the mysticism and the magic, the technological know-how of eclipses is revealed.

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Download E-books Captain's Share (Trader's Tales From The Golden Age Of The Solar Clipper) (Volume 5) PDF

By Nathan Lowell

An exceptional captain protects his team. Who protects the captain? A shuffling of cabins places Ishmael Horatio Wang accountable for the worst send within the fleet. He learns that being captain does not make you infallible and that lifestyles within the captain's cabin is full of new forms of problem as he attempts to maintain the send relocating, the team out of difficulty, and switch a revenue to earn his Captain's percentage. In a boat the place the officials outnumber the group, can he preserve every body chuffed? Welcome to the SC Agamemnon.

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Download E-books A Companion to Astronomy and Astrophysics: Chronology and Glossary with Data Tables PDF

By Kenneth R. Lang

Astronomy and Astrophysics is a finished, primary, and updated reference e-book. it's jam-packed with important info and uncomplicated proof for newbie astronomers astrophysicists, and for somebody drawn to the Universe, from the Earth and different planets to the celebs, galaxies and past. an extremely thorough Index cross-references strategies, discoveries and participants in either the Timeline part and Dictionary part. The mixed result's a distinct stand-alone reference quantity during which the reader can fast find info, whereas additionally getting to know new and unforeseen knowledge.

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