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spheres News
NASA Names New Chief Technologist
WASHINGTON, April 10, 2014 — David W. Miller, a professor of aeronautics and astronautics at MIT, has been named NASA’s new chief technologist. In this role, he will serve as principal adviser and advocate on agency-wide technology programs and policies. Also currently...
MRF Machine
Jan 4, 2010 — Optical components manufacturer Optimax Systems Inc. of Ontario, N.Y., has expanded its capability of manufacturing high-precision spheres and aspheres with the acquisi...
Roundness (and Mass) Redefined
May 1, 2008 — Most spheres look round enough to the unaided eye. But study a marble, a bowling ball or even a distant planet closely enough, and it quickly becomes apparent that its roundness is full of imperfections. The best that can be said is that its...
Lasing Action from Whispering-Gallery Modes in Water Microdroplets
Oct 1, 2007 — Whispering-gallery modes are the resonances that occur inside round objects (spheres, cylinders, disks) when light bounces around the object’s circumference, restrained by total internal reflection to stay inside the object. The modes can be useful...
(4 results found)
April 2024
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