Category Archives: Sunbeam

Through Two Doors at Once – Anil Ananthaswamy

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Through Two Doors at Once

The Elegant Experiment That Captures the Enigma of Our Quantum Reality

Anil Ananthaswamy

Genre: Physics

Price: $13.99

Expected Publish Date: August 7, 2018

Publisher: Penguin Publishing Group

Seller: PENGUIN GROUP USA, INC.


The intellectual adventure story of the "double-slit" experiment, showing how a sunbeam split into two paths first challenged our understanding of light and then the nature of reality itself–and continues to almost 200 years later. Many of the greatest scientific minds have grappled with this experiment. Thomas Young devised it in the early 1800s to show that light behaves like a wave, and in doing so opposed Isaac Newton's view that light is made of particles. But then Albert Einstein showed that light comes in quanta, or particles. Quantum mechanics was born. This led to a fierce debate between Einstein and Niels Bohr over the nature of reality–subatomic bits of matter and its interaction with light–again as revealed by the double-slit experiment. Richard Feynman held that it embodies the central mystery of the quantum world. Decade after decade, hypothesis after hypothesis, scientists have returned to this ingenious experiment to help them answer deeper and deeper questions about the fabric of the universe. How can a single particle behave both like a particle and a wave? Does a particle, or indeed reality, exist before we look at it, or does looking create reality, as the textbook "Copenhagen interpretation" of quantum mechanics seems to suggest? How can particles influence each other faster than the speed of light? Is there a place where the quantum world ends and the familiar classical world of our daily lives begins, and if so, can we find it? And if there's no such place, then does the universe split into two each time a particle goes through the double-slit? Through Two Doors at Once celebrates the elegant simplicity of an iconic experiment and its profound reach. With his extraordinarily gifted eloquence, Anil Ananthaswamy travels around the world, through history and down to the smallest scales of physical reality we have yet fathomed. It is the most fantastic voyage you can take.

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Through Two Doors at Once – Anil Ananthaswamy

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The Stunning Success of the Wilderness Act

Mother Jones

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This story first appeared on the TomDispatch website.

Let us now praise famous laws and the year that begat them: 1964.

The first thing to know about 1964 was that, although it occurred in the 1960s, it wasn’t part of “the Sixties.” The bellbottoms, flower power, LSD, and craziness came later, beginning about 1967 and extending into the early 1970s. Trust me: I was there, and I don’t remember much; so by the dictum variously attributed to Grace Slick, Dennis Hopper, and others (that if you can remember the Sixties, you weren’t part of them), I must really have been there.

1964 was a revolutionary year. It was a time when Congress actually addressed the people’s business, and it gave us at least three great laws.

One was the monumental Civil Rights Act, which aspired to complete the tragic and sanguinary work of the Civil War and achieve the promise of the Thirteenth Amendment.

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The Stunning Success of the Wilderness Act

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Sunbeam 5891 2-Pound Programmable Breadmaker, White

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Sunbeam 5891 2-Pound Programmable Breadmaker, White

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Sunbeam 5891 2-Pound Programmable Breadmaker, White

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