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| Space Elevator Likely to Remain Science Fiction [SciScoop Science Blog] Posted: A space elevator is a proposed structure designed to transport material from a celestial body's surface into space. Many variants have been proposed and all involve traveling along a fixed tether instead of using rocket-powered space launch. The concept most often refers to a structure that reaches from the surface of the Earth to geostationary orbit (GSO) and a counter-mass beyond. Japanese researchers recently laid out a proposal as to how this might be achieved. However, SciScoop contributor Eugene Keech believes no one will ever press the right buttons for a space elevator and it will always remain blue sky research |
| Art for Science's Sake [SciScoop Science Blog] Posted: Tiny green diatoms create the illusion of a fernlike forest as they attach to their marine-invertebrate hosts. Mario De Stefano of the Second University of Naples, Italy, captured this miniscule "jungle" from the Mediterranean Sea with a scanning electron microscope. The image earned first place in the photography category of the 2008 International Science and Engineering Visualization Challenge. |
| How will the energy issue impact Earth? [Earth & Sky Podcast] Posted: 30 Sep 2008 04:09 AM CDT A British student wonders how the energy issue will impact our planet. Yale professor and ‘energy futurist’ Arnulf Gruber responds, and talks about what kids can do to help. This posting includes an audio/video/photo media file: Download Now |
| Forest managers grapple with rapid change [Earth & Sky Podcast] Posted: 29 Sep 2008 04:09 AM CDT Sally Collins of the U.S. Forest Service says that plans to manage American forests sometimes have to change fast. Hear Collins talk about forest fires, climate change, and other issues facing today’s forests. This posting includes an audio/video/photo media file: Download Now |
| Study supports rowing for astronaut fitness [Earth & Sky Podcast] Posted: 29 Sep 2008 04:09 AM CDT Medical researchers want to keep astronauts’ hearts healthy in space, so they looked to the sporting world to find the best excercise. Hear about why rowing is best. This posting includes an audio/video/photo media file: Download Now |
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