Word: shipping
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...along everything you would need. Not so when you're looking at 14 months of round-trip flight time between Earth and Mars and perhaps a 1 1/2-year stay on the planet to catch the next Earth-Mars alignment back home. Even if it were possible to build a ship big enough to carry all that cargo, you would still have to muscle the mammoth thing off the ground. At some point it simply becomes impossible to build a rocket big enough...
...makes payloads a lot lighter and launching them a lot easier. But things aren't quite that simple. An Apollo astronaut confessed that after his lunar module landed on the moon, he had the sobering realization that before he could return home, he would again have to get the ship moving very, very fast. As any astronaut knows, the two most challenging tasks in operating a spacecraft are starting and stopping it. If it's possible to avoid additional stops and starts, it's best...
...wave of publicity the QM2 is generating can only help. But Cunard's latest icon will require delicate navigation. In November, when a gangplank collapsed at QM2's French shipyard, killing 15 people, headlines proclaimed a "jinxed" ship. A shipboard virus on the high-profile QM2 or a fine for polluting the sea would be certain to be heard around the world. Not to mention the ultimate nightmare--a terrorist attack. But as police boats patrolled in Southampton last week and Gurkhas formerly from the British army provided security on board, private boats charged to take gawkers as near...
...measure, it was a spectacular week both in Pasadena, where the rover was birthed, and at Gusev Crater, Mars, where it now finds itself. NASA has been in need of redemption since the explosion of the shuttle Columbia last winter, and Spirit--to say nothing of its sister ship, Opportunity, heading for its own Martian touchdown at the end of the month--is it. The space agency's website recorded 1.45 billion hits in just over five days last week. The White House, perhaps sensing an election-year winner, announced that the President would soon deliver a long-delayed speech...
TIVO OR NOT TIVO? Sharp will soon ship its own wireless Aquos LCD TV, but it's the newly announced Open Aquos that has the most promising feature: a basic-function video recorder (and removable hard drive). It won't replace a TiVo, but the 15-in. or 20-in. models can pause live TV or save news, soaps or talk shows hours--or days--after they have aired...