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The antenna bride and bridegroom
03-07-2007 · EurekAlert!The Atacama Large Millimeter/submillimeter Array (ALMA), an international telescope project, reached a major milestone on March 2, when two 12-m ALMA prototype antennas were first linked together as an integrated system to observe an astronomical object.
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- Fourth Ariane 5 launch of 2006
10-16-2006 · European Space Agency (ESA)
On 13 October 2006, an Ariane 5 ECA launcher lifted off from Europe's Spaceport in French Guiana on its mission to place two satellites into geostationary transfer orbits and deploy a demonstration antenna. Lift-off of flight V173 took place at 21:56 GMT/UTC (17:56 local time, 22:56 CEST/Paris). The satellites were accurately injected into the correct transfer orbits about 30 minutes later.
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- Expedition 14 ready for spacewalk
11-22-2006 · European Space Agency (ESA)
The Expedition 14 crew are today gearing up for a midnight excursion outside the Station. During the six hour spacewalk Commander Michael Lopez-Alegria and Flight Engineer Mikhail Tyurin will install an experiment, relocate an antenna, inspect the Progress 23 cargo spaceship and even hit a few golf balls.
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- When washed in sunlight, asteroids hit the spin cycle, Cornell researchers find
03-07-2007 · EurekAlert!
The sun is a cosmic spinmeister. Using the highly sensitive radar telescope at the Cornell University-managed Arecibo Observatory in Puerto Rico and Goldstone antenna in California, Cornell astronomers have confirmed a theory that sunlight and the asteroid's shape determine how an asteroid's rotation evolves. Their research is reported today in Science Express, the online edition of the journal Science.
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- ESA and NASA sign agreement on James Webb Space Telescope and LISA Pathfinder
06-18-2007 · European Space Agency (ESA)
ESA PR 25-2007. At a ceremony that took place today at the Paris Air Show at Le Bourget, ESA Director General Jean-Jacques Dordain and NASA Administrator Michael Griffin signed the official agreements that define the terms of the cooperation on the James Webb Space Telescope (JWST) and on the Laser Interferometer Space Antenna (LISA) Pathfinder mission.
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- Loss of cell's 'antenna' linked to cancer's development
06-28-2007 · EurekAlert!
Most normal vertebrate cells have cilia, small hair-like structures that protrude like antennae into the surrounding environment to detect signals that control cell growth. In a new study published in the June 29 issue of Cell, Fox Chase Cancer Center researchers describe the strong link between ciliary signaling and cancer, and identify the rogue engineers responsible for dismantling the cell's antenna.
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- Birth of a colossus on wheels
07-30-2007 · EurekAlert!
The first of two spectacular vehicles for the ALMA astronomical observatory rolled out of its hangar. The ALMA antenna transporter is a rather exceptional "lorry": It is 10 meters wide, 20 meters long and 6 meters high, weighs 130 tons and has as much power as two Formula 1 engines. This colossus will be able to transport, at 5000 meter altitude, a 115-ton antenna and set it down on a concrete pad within millimeters of a prescribed position.
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- Cilia: small organelles, big decisions
10-03-2007 · EurekAlert!
Johns Hopkins researchers say they have figured out how human and all animal cells tune in to a key signal, one that literally transmits the instructions that shape their final bodies. It turns out the cells assemble their own little radio antenna on their surfaces to help them relay the proper signal to the developmental proteins "listening" on the inside of the cell.
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- World's smallest radio fits in the palm of the hand...of an ant
11-01-2007 · EurekAlert!
Harnessing the electrical and mechanical properties of the carbon nanotube, a team of researchers has crafted a working radio from a single fiber of that material.Fixed between two electrodes, the vibrating tube successfully performed the four critical roles of a radio -- antenna, tunable filter, amplifier and demodulator -- to tune in a radio signal generated in the room and play it back through an attached speaker.
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- Chalmers first with integrated receiver for high frequency applications
11-28-2007 · EurekAlert!
As the first research group in the world, researchers at Chalmers have succeeded in combining a receiver for high frequencies with an antenna on a small chip.
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