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Scientists at the Fermi National Accelerator Laboratory, near Chicago, have finally found the physical evidence of a subatomic particle that has eluded physicists for more than a decade. It's the top quark, the heaviest of the six quarks that serve as the basic building blocks of matter and the last to be discovered; there were hints of a sighting last spring, but it took nearly a year for physicists to be sure...
Nobody can say what the turmoil means-whether the intellectual edifice of modern cosmology is tottering on the edge of collapse or merely feeling growing pains as it works out a few kinks. "If you ask me," says astrophysicist Michael Turner of the Fermi National Accelerator Laboratory, near Chicago, "either we're close to a breakthrough, or we're at our wits...
Scientists have confirmed the existence of the so-called "top quark," a basic building block of nature dating from the time of the "big bang" that helped begin the formation of galaxies between 8 billion and 25 billion years ago. Physicists at Energy Department's Fermi National Laboratory near Chicago announced they verified evidence of the missing subatomic particle, without which scientists' theories of time and matter would simply fall apart. "This provides a sense of relief," says TIME senior science writer Michael Lemonick, who notes that the top quark completes a set of six oddly-named particles that account...
...total of 439 physicists from 35 institution and five countries collaborated on the project detailing their triumph in a 152-page paper submitted to the Physical Review journal. The experiment was conducted at the Fermi National Accelerator Laboratory in Illinois better known as Fermilab...
Four weeks ago, we printed an excerpt from Special Tasks, the memoir of a Soviet spymaster published by Little, Brown. In it the principal author, Pavel Sudoplatov, charged that prominent scientists, including J. Robert Oppenheimer, Enrico Fermi and Leo Szilard, had knowingly made atomic secrets available to Soviet agents. Since publication of the book, many nuclear physicists and historians have raised serious questions about Sudoplatov's account. Our story on the controversy begins on page...