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Posts Tagged “

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mars

Say it Ain't So: Mars' Ancient Seas Were Dead?

Time for a little reality check. It seems like almost every day there's a piece of news about how "research suggests there were once oceans floating in the vacuum of space!" or "life could have once existed at the center of the Sun!" You know, we all get a little over-excited sometimes. Well, geochemist Nicholas Tosca of Harvard University put a damper on our enthusiasm yesterday when he calculated that early oceans on Mars were between 10 and 100 times more salty than seawater here on Earth. Even worse, they were probably highly acidic. But pro-Mars life scientists aren't giving up without a fight, After the break, some hopeful scientists speak out on why following Mars' ancient water supply could still lead us to the aliens. More »

9:30 AM on Fri May 30 2008
By Michael Reilly
1,675 views, 35 comments

Latest by dirtygreek: What is it with people acting like life has to exist under the same pretenses as it does on earth? more »

mega engineering

Gigantic Cargo Sailboats to Replace Oil-Guzzling Cargo Fleets

There may be a very simple solution to the oil-guzzling problem on cargo ships that haul huge loads across the Pacific and Atlantic oceans. Wind power. A German company called SkySails believes that by attaching what are essentially giant parasails to cargo ships, they can reduce their use of oil by up to 35 percent. More »

8:00 AM on Mon Apr 7 2008
By Ed Grabianowski
1,760 views, 20 comments

Latest by Klebert L. Hall: @Git Em SteveDave: I dunno. The USS Intrepid (an Essex-class CV) rigged a sail in WW2 to bet underway after (IIRC) a more »

space porn

Is There Life On Saturn's Moon?

Do these water jets come from an underground ocean orbiting Saturn? If so, it could nurture the only extraterrestrial life-forms in our solar system. But one scientist says that water is too pure to come from a buried ocean on Enceladus, one of Saturn's moons. More »

1:30 PM on Tue Dec 18 2007
By charliejane
767 views, Comment