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...propulsion engines--in which a portable nuclear reactor heats charged gas and then fires it out the rear of the spacecraft--already exist and are capable of accelerating ships to very high speeds. But the stream of ions the engines produce is a thin one, and even a small ship requires a long time to accelerate--a problem when time is the very thing you're trying to limit. Another possibility is nuclear thermal propulsion, which uses a larger reactor to superheat traditional propellant and blast it out the engine nozzle. Things move a lot faster with such a system...

Author: /time Magazine | Title: Space: Mission to Mars | 1/26/2004 | See Source »

...long been a kind of cunningly planted political kudzu, impossible to pull out stem and root. If domestic commitments didn't lock the station in place, commitments to NASA's 15 international partners certainly do. And while the station thrives, so too must the three living shuttles, since they exist largely to ferry up parts and crews. "The space station is a failed dream of the '60s and '70s," says Murray. "It's a monument to the past, as is the shuttle...

Author: /time Magazine | Title: Space: Mission to Mars | 1/26/2004 | See Source »

...only four members: the three hijackers and Binalshibh. If Mzoudi is found innocent, "the court will find a lot of support in the [German] legal community," says Georg Prasser, vice president of the German Bar Association. "Such a decision would prove that there are certain basic rights that still exist in our society." By Charles P. Wallace and William Boston Experts Under Scrutiny u.k. The government announced a review of 258 cases in which parents were convicted of killing their babies and an estimated 5,000 instances of children removed from their parents' care by family courts, because of concerns...

Author: /time Magazine | Title: World Watch | 1/25/2004 | See Source »

...Surri take BDSM much further than most practitioners, but they say they merely verbalize and theatricalize the unspoken power exchanges that exist in every relationship. "About 80% of how we live our lives is the way Mom and Dad did in the '50s," says Doc. "And the way most Baptists live their lives down here," says Surri, referring to the Southern Baptist Convention's resolution that wives should "submit" to their husbands...

Author: /time Magazine | Title: Behavior: Bondage Unbound | 1/19/2004 | See Source »

Until now. It turns out that excess deposits of calcium in the lining of the arteries, which can be measured using electron-beam computed tomography (EBCT), are a good indication that potentially dangerous fatty plaques exist. The correlation is strong enough that the American Heart Association is weighing a recommendation of EBCT screening for healthy adults who have a greater than average risk of heart disease, including smokers and those with a strong family history. As an added benefit, patients can take home their EBCT image, complete with gummed-up arteries, and use it as a reminder to stick with...

Author: /time Magazine | Title: Behavior: A to Z Guide | 1/19/2004 | See Source »

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