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pro vyhledávání: '"Ben Shelef"'
Publikováno v:
Laser & Optoelectronics Progress. 45:64-66
Autor:
Robert L. Byer, D. Lauben, Saps Buchman, D. Gill, Ben Shelef, Gad Shelef, S. D. Williams, G Mac Keiser, D.B. DeBra, John Hanson
Publikováno v:
Classical and Quantum Gravity. 20:S109-S116
A next generation gravitational reference sensor is being developed by Stanford University for the disturbance reduction system (DRS). The DRS will demonstrate the technology required for future gravity missions, including the planned LISA gravitatio
Autor:
Ben Shelef, Andrew V. Pakhomov
Publikováno v:
AIP Conference Proceedings.
In our context, Power Beaming refers to the extraction of useable electrical power from a directed electromagnetic beam. In order to promote interest in this technology, the Spaceward Foundation proposed and is managing a technology prize challenge b
Autor:
Ben Shelef
Publikováno v:
4th International Energy Conversion Engineering Conference and Exhibit (IECEC).
The Power Beaming competition was conceived as part of the Elevator:2010 Space Elevator challenge in April 2004 and proposed to NASA CC in June that same year. Formal agreements were signed on March, 2005, and the first competition, in “stepping st
Autor:
Bradley C. Edwards, Ben Shelef
Publikováno v:
56th International Astronautical Congress of the International Astronautical Federation, the International Academy of Astronautics, and the International Institute of Space Law.
Autor:
Manuel Gamero-Castaño, D. Lauben, John Hanson, Vlad Hruby, Sasha Buchman, Robert L. Byer, G. M. Keiser, Gad Shelef, Ben Shelef
Publikováno v:
SPIE Proceedings.
The Disturbance Reduction System (DRS) is designed to demonstrate technology required for future gravity missions, including the planned LISA gravitational-wave observatory, and for precision formation-flying missions. The DRS is based on a freely fl
Publikováno v:
Future Giant Telescopes.
In order for the California Extremely Large Telescope (CELT) to achieve the required optical performance, each of its 1000 primary mirror segments must be positioned relative to adjacent segments with nanometer-level accuracy. This can be accomplishe
Autor:
Ben Shelef, Alex McDowell
Publikováno v:
Physics World. 25:23-23
In your feature "Stairway to the heavens", which examines progress towards building a "space elevator" that could take astronauts from the surface of the Earth into space (December 2011 pp30–34), I am quoted as dismissing the merits of building a s