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How Negative Thermal Expansion Alloys Are Reshaping Telescope Stability for Exoplanet Discovery
When the search for habitable exoplanets requires a 1,000 times more stable telescope than James Webb Space Telescope, even minimal material expansion down to a fraction of the width of an atom is the ...
Company Allvar working with NASA on NTE space telescope optics; other applications are possible. A new material that shrinks when it is heated and expands when it is cooled could help enable the ultra ...
Most materials expand when they are heated, but some contract instead. A record value of this effect — known as negative thermal expansion — has now been observed in magnetic nanocrystals. Controlling ...
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