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aliens
Moon Colonization
NASA researchers claim they've developed a way to create a concrete-like substance, necessary for the production of space telescopes, out of Moon dust. The compound mixes the aforementioned Moon dust with carbon tubes and epoxy to create a dish, which is then coated in aluminum. The researchers have built a 30cm dish using this technique with a moon dust subsitute, but they claim they can create ones between 20-50 meters that would fill entire craters. This claim, however, has its share of detractors.
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NASA to Build Giant Telescopes Made of Moon...on the Moon?
NASA researchers claim they've developed a way to create a concrete-like substance, necessary for the production of space telescopes, out of Moon dust. The compound mixes the aforementioned Moon dust with carbon tubes and epoxy to create a dish, which is then coated in aluminum. The researchers have built a 30cm dish using this technique with a moon dust subsitute, but they claim they can create ones between 20-50 meters that would fill entire craters. This claim, however, has its share of detractors.
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steampunk
The Telectroscope is more than a giant telescope—looking through its lens in NYC, you can see all the way to London—and vice versa. These steampunk creations were unveiled today in the two cities to celebrate the 125th anniversary of the Brooklyn Bridge. Artist Paul St George's Victorian-style gold and wood trim make the behemoth-size scopes impressive to look at, but the most amazing part is how he claims they work.
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Massive Steampunk-y Telectroscope Lets You See From New York to London
The Telectroscope is more than a giant telescope—looking through its lens in NYC, you can see all the way to London—and vice versa. These steampunk creations were unveiled today in the two cities to celebrate the 125th anniversary of the Brooklyn Bridge. Artist Paul St George's Victorian-style gold and wood trim make the behemoth-size scopes impressive to look at, but the most amazing part is how he claims they work.More »
space
Fresnel Telescope Will Spot M-Class Planets 30 Light Years Away
Scientists might be giving up on the notion of sending ridiculously large pieces of glass into space. Using a Fresnel-zone lens instead, astronomers at Observatoire Midi Pyrenees in France propose to take extremely high-contrast images at vast distances without a large lens or mirror. A 30-meter Fresnel telescope will provide visual confirmation of Earth-like planets up to 30 light years away. Since it can also observe a wide spectrum range including UV and IR, it can do follow-up detection of life signs, too. The main advantage of the Fresnel telescope is, of course, the fact that it's a perforated sheet of roll-up metal instead of heavy, breakable glass. But there are some major reasons it's not super easy to just whip up one of these telescopes in the machine shop: More »
telescopes
