Download E-books The New York Times Book of Physics and Astronomy: More Than 100 Years of Covering the Expanding Universe PDF

By Cornelia Dean

From the invention of far-off galaxies and black holes to the tiny interstices of the atom, here's the superior on physics and astronomy from the New York Times! The newspaper of checklist has continuously prided itself on its award-winning technology insurance, and those a hundred twenty five articles from its records are the superior, overlaying greater than a century of breakthroughs, setbacks, and mysteries. chosen by means of former technology editor Cornelia Dean, they characteristic such esteemed and Pulitzer Prize-winning writers as Malcolm W. Browne on teleporting, antimatter atoms, and the physics of site visitors jams; James Glanz on string concept; George Johnson on quantum physics; William L. Laurence on Bohr and Einstein; Dennis Overbye at the fresh discovery of the Higgs Boson; Walter Sullivan at the colliding beam computing device; and more.

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In a single cloud, lots of the atoms have been spinning a technique; within the different cloud so much have been spinning, mirrorlike, within the wrong way. Correlating teams of atoms this manner could discover a use in quantum desktops, units the place calculations are played utilizing unmarried atoms or debris as counters. (Think of them as quantum abacus beads. ) Theoreticians have proved quantum desktop, if possible be outfitted, might remedy difficulties now thought of very unlikely. The experiments that gained this year’s Nobel in physics concerned synchronizing atoms in a unique yet both counterintuitive approach. as a result of their quantum nature, atoms (like the debris they're made up of ) act like waves. The slower they stream, the extra stretched-out they develop into, shedding in pitch like a musical notice sliding down the dimensions. Take a rarefied gas—atoms darting round in a container—and cool it in order that the movement turns into slower and slower. every one atom’s wavelength will widen till ultimately, because the temperature nears absolute 0, all of them overlap, forming an unique substance referred to as a Bose-Einstein condensate. think 2,000 billiard balls merging into one. it truly is most unlikely for us denizens of the macro global to truly photo one of these nation. we might should have grown up in a universe with diversified constants, just like the ones in Mr. Tompkins’s goals. As Gamow positioned it in his preface, “Even a primitive savage in this kind of international will be conversant in the rules of relativity and quantum idea, and could use them for his searching reasons and daily wishes. ” As for constructing quantum instincts, physicists are operating their means as much as the extent of savages, notable sparks, development their first fires. —October sixteen, 2001 String concept, at 20, Explains all of it (or no longer) through DENNIS OVERBYE all of them laughed twenty years in the past. It used to be then physicist named John Schwarz jumped up at the degree in the course of a cabaret on the Physics heart in Aspen, Colorado, and commenced babbling approximately having found a thought that can clarify every little thing. by means of prearrangement males in white fits swooped in and over excited Dr. Schwarz, then a little-known researcher on the California Institute of know-how. just a couple of of the guffawing viewers contributors knew that Dr. Schwarz used to be no longer fullyyt joking. He and his collaborator, Dr. Michael eco-friendly, now on the college of Cambridge, had simply comprehensive a calculation that will swap the best way physics used to be performed. they'd proven that it was once attainable for the 1st time to put in writing a unmarried equation that may clarify all of the legislation of physics, all of the forces of nature— the proverbial “theory of every little thing” which may be written on a T-shirt. And so emerged into the limelight an odd new inspiration of nature, known as string thought, so named since it depicts the fundamental parts of the universe as tiny wriggling strings, now not aspect debris. “That used to be our first public announcement,” Dr. Schwarz acknowledged lately. by way of uniting the entire forces, string thought had the potential for reaching the target that Einstein sought with out good fortune for part his lifestyles and that has embodied the goals of each physicist seeing that then.

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