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...true edge of the solar system is a zone far beyond Pluto where charged particles from the sun meet the cold gas between the stars. NASA scientists believe they have finally found it, by means of the twin Voyager space probes; it is between 8.4 billion and 11.2 billion miles from the sun, or at least three times as far away from Earth as Neptune, currently the most distant planet...

Author: /time Magazine | Title: News Digest May 23-29 | 6/7/1993 | See Source »

...Garlands admit that sun blocks filter out the most damaging solar rays and prevent sunburn. But that allows fair-skinned people to stay on the beach or golf course longer than would otherwise be tolerable. Lulled into a false sense of security, these sun worshippers suffer the cumulative effect of overexposure to the type of radiation that penetrates their sunscreen and, the Garlands say, can lead to malignancy. "It's time to step back and to consider whether what we have been doing, specifically the strong use of sunscreens, is working," says Cedric, a professor at the University of California...

Author: /time Magazine | Title: Do Sunscreens Save Your Skin? | 5/24/1993 | See Source »

...only way to meet the goal. "There's no doubt it can be done," says Alden Meyer, a climate-change expert at the Union of Concerned Scientists. Meyer suggests a host of | conservation measures, including tougher auto-fuel-economy standards, increased use of nonfossil energy sources (such as solar and wind power) and investment in energy-efficient technologies. This recalls a theme that Gore struck again and again on the campaign trail and that Clinton echoed in his speech last week: sound environmental policies can be good business. "These investments ((in energy-efficient technologies)) will create tens of thousands...

Author: /time Magazine | Title: Not Just Hot Air | 5/3/1993 | See Source »

...materials and technologies. More recently he helped establish an eco-mall for environmental construction materials. First begun in 1981 as a mail-order business, Environmental Construction Outfitters now has a 5,000-sq.-ft. loft in New York City that showcases everything from natural carpeting and cork flooring to solar energy, cotton insulation and environmental paints. The emporium also runs workshops on how to use such materials...

Author: /time Magazine | Title: Architecture Goes Green | 4/5/1993 | See Source »

Still, if the replacement parts don't slide easily into place, or if the solar panels refuse to unfurl after the work is done, the Hubble could be worse off than before the mission. Says Princeton astronomer Edwin Turner: "It's a tremendous gamble. If it succeeds, it will be a really impressive feat. Or they could leave us with a nonfunctional spacecraft." And a sharply diminished faith in NASA's ability to explore the last frontier...

Author: /time Magazine | Title: Big Gamble in Space | 3/22/1993 | See Source »

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