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Where Did All That Space Debris Come From?

Early in the Space Age, little thought was given to objects left in orbit as part of satellite launches. But as the number of those objects has grown, at first steadily and then very rapidly, through the 50-plus years since the launch of Sputnik, concerns about the polluted orbital sphere have grown accordingly

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Why Did So Much High-Profile Junk Fall from Space Last Year?

Two well-publicized satellite falls a month apart got me wondering: Is this the new normal? After all, there is plenty of junk in orbit, and it can’t stay up there forever. And NASA, along with many other space agencies, now requires that satellites tumble back to Earth sooner rather than later once their useful lifetimes have ended so as to limit collisions in orbit

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The Courage to Be Wrong: Reading the Biography of Stephen Hawking

In July 2010, the editorial department of Scientific American where at the time I was on staff received a review copy of a book was slated to come out in September. It was a slim, drab-looking, paperback-bound volume, still without a cover design or page numbers

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Why You Need a Commercial Realtor

We thought we'd save money by acting as our own leasing agent. That's how we learned--the hard way--what realtors really do. A good commercial realtor is worth his or her weight in gold

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Why You Need a Commercial Realtor

We thought we'd save money by acting as our own leasing agent. That's how we learned--the hard way--what realtors really do.

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6 Deals to Avoid

Most small-company business development managers are newbies, even if they don't realize it. Here are six types of deals to stay away from

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Can A Startup Store Change The Retail Business?

Rachel Shechtman just launched her new venture, A Startup Store , in New York's Chelsea neighborhood. The store, still in "beta," currently features a rotating selection of startups and their products in a physical retail space, including: Artspace, Birchbox, Baublebar, Joor, and Quirky. But A Startup Store will be ever-changing and ever-morphing

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An In-Store Revolution

A New York brick-and-mortar entrepreneur takes a cue from e-commerce: She curates limited-time-only themes and product lines, hosts community events, and sells sponsorships. An In-Store Revolution A New York brick-and-mortar entrepreneur takes a cue from e-commerce: She curates limited-time-only themes and product lines, hosts community events, and sells sponsorships

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