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Rainer Weiss, Remembering the Little Room in the Plywood Palace
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    SERIES
    Thinking Places

    Rainer Weiss, Remembering the Little Room in the Plywood Palace

    By Natalie Wolchover +2 authors
    Olena Shmahalo
    Lucy Reading-Ikkanda

    June 15, 2017

    Grand ideas have a way of turning up in unusual settings, far from an office or a chalkboard. Months ago, Quanta Magazine set out to photograph some of the world’s most accomplished scientists and mathematicians in their favorite places to think, tinker and create. This series explores the role of cherished spaces — public or private, spare or crowded, inside or out — in clearing a path to inspiration.
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    Rainer Weiss

    Rainer Weiss in his basement lab at the Massachusetts Institute of Technology.

    Ken Richardson for Quanta Magazine

    Authors

    Natalie Wolchover
    Natalie Wolchover

    Senior Editor

    Olena Shmahalo
    Olena Shmahalo

    Contributing Art Director

    Lucy Reading-Ikkanda
    Lucy Reading-Ikkanda

    Former Graphics Editor


    June 15, 2017


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    astrophysicsgravitymultimediaphysicsThinking PlacesAll topics

    Introduction

    One summer circa 1970, Rainer Weiss holed up in a closet-size room in Building 20 — the infamously rickety, asbestos-coated, World War II-era makeshift wooden structure at the Massachusetts Institute of Technology that hosted countless discoveries and nine eventual Nobel Prize winners before being torn down in 1998 — and developed the basic design for an experiment that, nearly half a century later, would astound the world by detecting minuscule ripples in the fabric of space and time coming from the faraway collision of two black holes.

    Along with the physicists Kip Thorne and Ron Drever, Weiss founded the Laser Interferometer Gravitational-Wave Observatory (LIGO), the experiment that in February 2016 announced the discovery of those ripples, or “gravitational waves,” which were first predicted in 1916 by Albert Einstein.

    “The idea for using timing of light between free masses to detect gravitational waves occurred to me while teaching a course in general relativity at MIT in 1967,” Weiss told Quanta in an email. His students had heard about the physicist Joe Weber’s claim to have detected gravitational waves in the vibrations of huge aluminum bars. “I had trouble understanding the concept, and [instead] presented them with a gedanken experiment consisting of measuring the time it takes for light to travel between two free masses as the gravitational wave passes,” alternately stretching and compressing space-time as it goes. “It is a fairly simple problem to calculate the change in time due to the gravitational wave. It is, however, an almost impossible experiment to actually do with sufficient sensitivity.”

    Weber’s claim proved erroneous, and Weiss returned to his timing idea to see if it was at all feasible to detect such tiny temporal fluctuations in a real measurement. “That is when I would go to a little room in Building 20 (the ‘Plywood Palace’) far from the telephone and near real apparatus to think about the different noise sources that would limit such a technique,” he said. “After a summer of stewing and estimating, it seemed that one could make an instrument with low enough noise, such as a laser-driven optical interferometer with arms on kilometer scales, that could intersect the estimates for gravitational waves from astrophysical sources. Next came an experimental prototype to show that the calculations were not crazy.” Then came the two giant L-shaped detectors of the LIGO experiment, which Weiss helped build and is still fine-tuning today.

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    Rainer Weiss

    Weiss in his office at MIT, where he doesn’t like to work. “Nobody thinks at their goddamn desk,” he told the photographer. “They only answer annoying emails and phone calls. I do my thinking while I’m working with my hands in my electronics lab or on a lathe in the machine shop.” (Editor’s note: The phone numbers in this photograph were blurred to protect privacy.)

    Ken Richardson for Quanta Magazine

    Introduction

    Building 20 is long gone, but Weiss has found a proxy in a cramped and cluttered basement lab at MIT, which he much prefers to his equally cluttered office. “That lab in the basement plays the same role as the little room in the Plywood Palace,” he said. “Even though there is a telephone in the space, it is not connected and it’s not so easy to find, so there is more quiet to stew. Furthermore, there are real things in that place (electronics, optical instruments, tools)” — things that get his wheels turning.

    Weiss and Thorne are widely expected to take home this year’s physics Nobel (Drever passed away in March), which would only add to the legend of the Plywood Palace.

    This article was reprinted in Spanish at Investigacionyciencia.es.

    Authors

    Natalie Wolchover
    Natalie Wolchover

    Senior Editor

    Olena Shmahalo
    Olena Shmahalo

    Contributing Art Director

    Lucy Reading-Ikkanda
    Lucy Reading-Ikkanda

    Former Graphics Editor


    June 15, 2017


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    astrophysicsgravitymultimediaphysicsThinking PlacesAll topics
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