By Richard Panek
“Fascinating . . . the most very important tales within the heritage of science.”— Washington Post
In contemporary years, a handful of scientists has been racing to give an explanation for a stressful point of our universe: merely four percentage of it includes the problem that makes up you, me, and each big name and planet. the remainder is totally unknown.
Richard Panek tells the dramatic tale of the way scientists reached this cosmos-shattering end. In vibrant element, he narrates the search to discover the “dark” subject and a fair more strange substance known as darkish power that make up ninety six percentage of the universe. this is often maybe the best secret in all of technological know-how, and fixing it is going to carry reputation, investment, and positively a Nobel Prize. in accordance with hundreds and hundreds of interviews and in-depth, on-site reporting, the publication bargains an intimate portrait of the sour rivalries and fruitful collaborations, the eureka moments and blind alleys, that experience redefined technological know-how and reinvented the universe.
“A vigorous new account of twentieth-century (plus a bit twenty-first-century) cosmology . . . The publication is as a lot approximately how the technological know-how obtained performed as in regards to the technology itself.”—Salon
Preview of The 4 Percent Universe: Dark Matter, Dark Energy, and the Race to Discover the Rest of Reality PDF
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Extra resources for The 4 Percent Universe: Dark Matter, Dark Energy, and the Race to Discover the Rest of Reality
These sensors might be capable of detect the types of debris from house that could rip throughout the Earth's surroundings, zip during the floor at the different facet of the planet, and simply maintain facing crust, mantle, and center with no interacting with whatever else—unless, in a number of situations, they smacked into an atom within the natural ice lower than the polar floor. (It wasn't a dark-matter scan, yet a few of these debris may perhaps also be proof of 2 dark-matter debris annihilating one another. ) In 1991, the NSF begun a collaboration with the college of Chicago at the heart for Astrophysical examine in Antarctica. the aim of CARA used to be to set up an observatory on the South Pole that will function an everlasting base for millimeter and submillimeter astronomy—the darkish zone, a decent cluster of telescopes, lower than a mile from the station, the place gentle and different resources of electromagnetic radiation will be stored to a minimal. (Not far-off have been the Quiet zone, for seismology examine, and the fresh Air area, for weather initiatives. ) Holzapfel were a part of CARA virtually from the beginning. He arrived on the college of Chicago as a postdoc in 1996, and even though he back to Berkeley as a school member in 1998, he endured to collaborate with CARA, and specifically with John Carlstrom, the director of CARA and the dean of Antarctic astronomy. growing to be up in Pittsburgh, the son of an accountant and a instructor, Holzapfel built an affinity for technology for purposes he by no means understood. It used to be usually technological know-how "as delinquent as technology can be"—lots of high-voltage explosives and electrocution injuries. however it was once additionally quiet, deepest technology, like construction a crystal radio and having a difficult time believing that he used to be hearing chatter from the opposite aspect of the realm. after which, as a part of CARA, he bought to hear for whispers from the opposite part of the universe. "Very excitable," stressed within the severe, the size-16 sneaker on the finish of a crossed leg continuously vibrating as though agitating for extra, Holzapfel helped conceive the experiments, layout and run the tools, and interpret the knowledge from a sequence of CARA telescopes. beginning within the past due Nineteen Nineties, these experiments subtle COBE's measurements even extra season after season, during the culminating venture for CARA, the measure Angular Scale Interferometer (DASI). first and foremost, DASI used to be no assorted (broadly talking) from the others. It sought for styles within the CMB—the temperature, the fluctuations—and came across them. In April 2001, Carlstrom introduced that DASI had certainly detected the telltale trend of acoustic waves anticipated via inflation; simply as a musical notice has overtones, the fetal cry of the universe must have 3 peaks. the next yr, although, DASI checked out the polarization—the path of the photons as they decoupled from topic. The temperature and fluctuations advised you the place the problem used to be whilst the universe was once 400,000 years outdated; the polarization instructed you ways it was once relocating. once more, the hot cosmology confronted a try.