Category: Science

  • Download E-books The Afterlife Experiments: Breakthrough Scientific Evidence of Life After Death PDF

    By Deepak Chopra, William Simon, Gary E. Schwartz

    John Edward, Suzane Northrup, and George Anderson are only some of the well-liked American mediums who've been accused of being frauds. yet what if a revered scientist challenged them to make touch with the past below managed laboratory stipulations? What if the implications not just shocked a skeptical scientist but additionally provided incredible solutions to a undying query: Is there lifestyles after demise?
    Risking his educational popularity, Dr. Gary E. Schwartz requested recognized mediums to develop into a part of a sequence of experiments to end up, or disprove, the lifestyles of an afterlife. This riveting narrative, with electrifying transcripts, files stringently monitored experiments during which mediums tried to touch useless pals and kinfolk of "sitters" who have been masked from view and not spoke, depriving the mediums of any cues.
    listed below are the consequences that awed sitters and researchers alike: a revelation a few son's suicide, what a deceased father desired to say approximately his final days in a coma, the transformation of a man's lifelong doubts in regards to the afterlife, and, so much awesome of all, a forecast of a cherished spouse's dying. compelled via facts to desert skepticism, Schwartz provides this notable account of his groundbreaking paintings, compelling from first web page to final.
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  • Download E-books Deep Simplicity: Chaos, Complexity and the Emergence of Life. John Gribbin PDF

    By John Gribbin

    'Gribbin takes us throughout the fundamentals along with his common expertise for accessibility and clarity' - "Sunday Times". the area round us could be a advanced, complicated position. Earthquakes take place suddenly, inventory markets range, climate forecasters seldom appear to get it correct - even people proceed to baffle us. How can we make feel of all of it? in truth, John Gribbin unearths, our possible random universe is basically equipped on uncomplicated legislation of reason and influence that may clarify why, for instance, only one car braking may cause a traffic congestion; why wild storms end result from a moderate atmospheric switch; even how we developed from the main uncomplicated fabrics. Like a zen portray, a fractal photo or the trend on a butterfly's wings, easy parts shape the bedrock of a worldly entire. Synthesizing chaos and complexity idea for the confused, "Deep Simplicity" brilliantly illuminates the concord underlying our lifestyles.
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  • Download E-books Neither Physics nor Chemistry: A History of Quantum Chemistry (Transformations: Studies in the History of Science and Technology) PDF

    By Kostas Gavroglu, Ana Simões

    Quantum chemistry--a self-discipline that isn't really physics, now not fairly chemistry, and never rather utilized mathematics--emerged as a box of research within the Nineteen Twenties. It used to be noted via such phrases as mathematical chemistry, subatomic theoretical chemistry, molecular quantum mechanics, and chemical physics until eventually the neighborhood agreed at the designation of quantum chemistry. In Neither Physics Nor Chemistry, Kostas Gavroglu and Ana Simões research the evolution of quantum chemistry into an self reliant self-discipline, tracing its improvement from the book of early papers within the Twenties to the dramatic alterations led to by way of pcs within the Seventies. The authors specialize in the tradition that emerged from the inventive synthesis of a few of the traditions of chemistry, physics, and arithmetic. They research the ideas, practices, languages, and associations of this new tradition in addition to the folk who tested it, from such pioneers as Walter Heitler and Fritz London, Linus Pauling, and Robert Sanderson Mulliken, to later figures together with Charles Alfred Coulson, Raymond Daudel, and Per-Olov Löwdin. all through, the authors emphasize six topics: epistemic facets and the dilemmas brought on by a number of techniques; social concerns, together with educational politics, the influence of textbooks, and the forging of alliances; the contingencies that arose at each degree of the advancements in quantum chemistry; the adjustments within the box while pcs have been to be had to accomplish the terribly bulky calculations required; concerns within the philosophy of technology; and various types of reasoning.

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  • Download E-books Why Society is a Complex Matter: Meeting Twenty-first Century Challenges with a New Kind of Science PDF

    By Philip Ball

    Society is advanced. yet this booklet argues that this doesn't position it past the succeed in of a technological know-how that may support to provide an explanation for and even perhaps to foretell social behaviour. As a procedure made of many interacting brokers – humans, teams, associations and governments, in addition to actual and technological buildings corresponding to roads and desktop networks – society could be considered as a fancy approach. lately, scientists have made nice development in realizing how such advanced structures function, starting from animal populations to earthquakes and climate. those structures convey behaviours that can't be anticipated or intuited through concentrating on the person elements, yet which emerge spontaneously because of their interactions: they're acknowledged to be ‘self-organized’. makes an attempt to direct or deal with such emergent houses more often than not show that ‘top-down’ techniques, which attempt to dictate a specific end result, are ineffectual, and that what's wanted as an alternative is a ‘bottom-up’ strategy that goals to steer self-organization in the direction of fascinating states.

    This publication indicates how a few of these principles from the technological know-how of complexity might be utilized to the research and administration of social phenomena, together with site visitors circulation, monetary markets, opinion formation and the expansion and constitution of towns. development on those successes, the e-book argues that the complex-systems view of the social sciences has now matured sufficiently for it to be attainable, fascinating and maybe necessary to test a grander goal: to combine those efforts right into a unified scheme for learning, figuring out and eventually predicting what occurs on the planet we have now made. this sort of scheme will require the mobilization and collaboration of many alternative learn groups, and may let society and its interactions with the actual atmosphere to be explored via life like types and large-scale information assortment and research. it may permit us to discover new and potent suggestions to significant worldwide difficulties corresponding to clash, illness, monetary instability, environmental despoliation and poverty, whereas warding off unintentional coverage effects. it might provide us the foresight to count on and ameliorate crises, and to start tackling the most intractable difficulties of the twenty-first century.

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  • Download E-books The Hedgehog, the Fox, and the Magister's Pox: Mending the Gap Between Science and the Humanities PDF

    By Stephen Jay Gould

    In his ultimate e-book and his first full-length unique identify considering complete condo in 1996, the eminent paleontologist Stephen Jay Gould deals a shocking and nuanced learn of the advanced dating among our nice methods of understanding: technology and the arts, dual nation-states of information which were divided opposed to one another for a lot too long.

    To determine his protagonists, Gould attracts from a 7th century b.c. proverb attributed to the Greek soldier-poet Archilochus that stated approximately, “The fox devises many ideas; the hedgehog is familiar with one nice and potent strategy.” whereas emphatically rejecting any simplistic try and assign both technology or the arts to at least one or the opposite of those techniques to wisdom, Gould makes use of this historical thought to illustrate that neither technique can paintings by myself, yet that those seeming opposites will be conjoined right into a universal company of large harmony and power.

    In construction his case, Gould indicates why the typical assumption of an inescapable clash among technology and the arts (in which he comprises faith) is fake, mounts a lively rebuttal to the tips that his highbrow rival E. O. Wilson set forth in his booklet Consilience, and explains why the pursuit of data should always function upon the bedrock of nature’s randomness. The Hedgehog, the Fox, and the Magister’s Pox is a arguable discourse, wealthy with proof and observations accrued by means of the most erudite minds of our time.
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  • Download E-books Scientific American (January 2014) PDF

    How subconscious concept and notion impact Our each Waking Moment
    Unconscious impulses and wishes impel what we predict and do in methods Freud by no means dreamed of

    Astronomers look for Moons Circling far-off Exoplanets
    Moons orbiting far away exoplanets may well account for many of the liveable locales within the galaxy. If basically shall we locate them

    Scientists effectively version a dwelling mobile with Software
    In developing the 1st whole laptop version of a complete single-celled organism, biologists are forging a strong new form of instrument for illuminating how existence works

    Superpowerful X-ray Laser Boils Atoms in Molecules, Nanosystems and Solids and Explodes Proteins, All within the identify of Science
    What begun as a “Star Wars” thought for a 1980s-era antimissile weapon is now a microscope of unparalleled strength, capable of create unique kinds of topic came across nowhere else within the universe

    A international Transition to Renewable power Will Take Many Decades
    The nice wish for a fast and sweeping transition to renewable power is wishful thinking

    The Case opposed to Copernicus
    Copernicus famously acknowledged that Earth revolves round the solar. yet competition to this progressive suggestion didn't come simply from the spiritual specialists. facts preferred a distinct cosmology
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  • Download E-books Ever Since Darwin: Reflections in Natural History PDF

    By Stephen Jay Gould

    More than the other sleek scientists, Stephen Jay Gould has spread out to thousands the wonders of evolutionary biology. His genius as an essayist lies in his unrivaled skill to exploit his wisdom of the area, together with pop culture, to light up the world of science.

    Ever on the grounds that Darwin, Stephen Jay Gould's first e-book, has bought greater than 1 / 4 of one million copies. like every succeeding collections via this precise author, it brings the paintings of the clinical essay to extraordinary heights.
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  • Download E-books Simply Einstein: Relativity Demystified PDF

    By Richard Wolfson

    With this reader-friendly e-book, it doesn't take an Einstein to appreciate the idea of relativity and its extraordinary consequences.

    In transparent, comprehensible phrases, physicist Richard Wolfson explores the guidelines on the center of relativity and exhibits how they result in such seeming absurdities as time trip, curved house, black holes, and new that means for the belief of earlier and destiny. Drawing from years of educating sleek physics to nonscientists, Wolfson explains in a full of life, conversational type the straightforward ideas underlying Einstein's theory.

    Relativity, Wolfson indicates, gave us a brand new view of house and time, commencing the door to questions on their versatile nature: Is the universe finite or endless? Will it extend eternally or finally cave in in a "big crunch"? Is time go back and forth attainable? What is going on inside of a black gap? How does gravity quite paintings? those questions on the leading edge of twenty-first-century physics are all rooted within the profound and sweeping imaginative and prescient of Albert Einstein's early twentieth-century idea. Wolfson leads his readers on an highbrow trip that culminates in a universe made virtually unimaginably wealthy by means of the rules that Einstein first found.
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  • Download E-books The Book Nobody Read: Chasing the Revolutions of Nicolaus Copernicus PDF

    By Owen Gingerich

    In the spring of 1543 because the celebrated astronomer, Nicolaus Copernicus, lay on his loss of life mattress, his fellow clerics introduced him a long-awaited package deal: the ultimate revealed pages of the booklet he had labored on for a few years: De revolutionibus (On the Revolutions of the Heavenly Spheres). even though Copernicus wouldn't reside to listen to of its awesome impression, his booklet, which first advised that the solar, no longer the Earth, was once the guts of the universe, is at the present time well-known as probably the most influential clinical works of all time?thanks partially to astrophysicist Owen Gingerich.

    Four and a part centuries after its preliminary booklet, Gingerich launched into an epic quest to determine in individual all extant copies of the 1st and moment variations of De revolutionibus. He used to be encouraged via contradictory items of data: Arthur Koestler's declare, in his bookThe Sleepwalkers, that no-one had learn Copernicus's e-book whilst it used to be released; and Gingerich's discovery, in Edinburgh, of a primary version richly annotated within the margins by means of the best instructor of astronomy in Europe within the 1540s. If one replica have been so speedy preferred, Gingerich reasoned, might be others have been as well?and maybe they can throw new gentle on a hinge aspect within the background of astronomy.

    After 3 a long time of research, and after touring millions of miles around the globe?from Melbourne to Moscow, Boston to Beijing?Gingerich has written an totally unique ebook outfitted on his event and the notable insights gleaned from reading a few six hundred copies of De revolutionibus. He came upon the books owned and annotated by way of Galileo, Kepler and lots of different lesser-known astronomers whom he brings again to lifestyles, which remove darkness from the lengthy, reluctant strategy of accepting the Sun-centered cosmos and spotlight the historical tensions among technological know-how and the Catholic Church. He traced the possession of person copies in the course of the palms of saints, heretics, scalawags, and bibliomaniacs. He was once referred to as because the specialist witness within the robbery of 1 reproduction, witnessed the dramatic public sale of one other, and proves conclusively that De revolutionibus used to be as inspirational because it was once revolutionary.

    Part biography of a ebook, half medical exploration, half bibliographic detective tale, The ebook no one Read recolors the heritage of cosmology and gives new appreciation of the iconic strength of a rare ebook and its ideas.

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