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Galileo News
New Approaches Improve Beam Expansion
Mar 7, 2014 — Afocal beam expansion systems based on the basic principles of Kepler and Galileo telescopes can be improved in terms of wavefront quality by using additional optical surfaces or aspherizing them using monolithic beam expansion elements. Everyday...
Here's Hoping Aliens Leave the Lights On for Us
CAMBRIDGE, Mass., Nov. 9, 2011 — If extraterrestrial beings dwell in cities as well lit as the ones on Earth, future generations of telescopes should be able to detect them. That's a new theory posited by Avi Loeb of the Harvard-Smithsonian Center for Astrophysics and...
Publish/Perish
May 10, 2010 — Galileo learned too late, perhaps, that publishing scientific findings can be a dangerous business. The whole endeavor is fraught with political landmines and epistemological pitfalls, and when he threw his weight behind the Copernican view of a...
Accurate Timekeeping
Dec 1, 2009 — Eblana Photonics of Dublin, Ireland, has received a contract from the European Space Agency. The company will develop lasers for use in more precise atomic clocks. Atomic clocks are employed in the Galileo satellite system design that is used for...
SPIE O+P Blog: Hornet's Nest
Aug 3, 2009 — Features Editor Gary Boas documents his experience at SPIE Optics + Photonics 2009, including special events marking the 400th birthday of the telescope and the 40th anniversary of the moon landing.
Boas Blog: Brain Mapping
Jun 22, 2009 — Gary at Large San Francisco, June 23, 2009 The concierge didn't think I could do it. Or would do it, anyway. "Walk from Union Square to the Presidio?" he asked. (Did he just suppress a chortle?) "There are a lot of hills here, you...
Cosmic Revelers Ring in 2009
PARIS, Dec. 30, 2008 – Stargazers across the globe are gearing up for the International Year of Astronomy. A staggering 135 nations are collaborating to bring the universe closer to Earth. Events and activities will take place over the coming 365 year and beyond, in a...
Secret Galileo GPS Codes Cracked
ITHACA, July 10, 2006 -- Members of Cornell University's Global Positioning System (GPS) Laboratory have cracked the so-called pseudo random number (PRN) codes of Europe's first global navigation satellite, despite efforts to keep the codes secret. That means free access...
(8 results found)
May 2024
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