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Actuators, like elevators on rails, rise the mirrors to approximate position to form a parabola. Then, precise, computer-controlled magnetic field rotates the mirror bits sitting in vacuum bubbles (like light bulbs) precisely to form a parabola. with a focal point. A strong drone with stabilizer flies
to the focal point, carrying an ocular, and a CCD camera.
A hope: 0.5 kilometer-diameter telescope.
fastcodesign.com
http://cdn4.twistag...bff5a2d_6549774.mp4
MIT Invents A Shapeshifting Display You Can Reach Through And Touch [Inyuki, May 13 2015]
APERATURE
http://www.nasa.gov...nfigurable-elements
Some-one's been on the NASA website again... [neutrinos_shadow, May 13 2015]
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Annotation:
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If the mirrors are inside evacuated glass modules, then the
light will probably be distorted passing through the glass. It
can be compensated-for, of course, at the cost of making
each mirror more complex. |
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[Vernon], I was just afraid of the winds, if they were suspended in magnetic field, and that's why evacuated glass modules. |
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This might makes even more sense as a space
telescope. You don't have to worry about wind in
orbit. This could make the telescope expandable by
dividing the mirrors into several launches. Also, if it
gets hit by a piece of space debris, it might only
take out a couple mirrors. |
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Of course it might be a lot harder to move the
whole thing to avoid space debris. |
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