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santecarloni

Voyager 1 Hits Rumble Strips At the Edge of the Solar System | MIT Technology Review - 2 views

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    NASA's oldest interstellar spacecraft is suddenly measuring changes more dramatic than any it has seen during its 35 year journey
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    this is very nice! in either of the explanations Voyager will likely be in good enough shape to send data when outside of the boundary layer ...
LeopoldS

Warp Drive More Possible Than Thought, Scientists Say | Space.com - 1 views

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    Sante, Andreas, Luzi, Pacome ... we need you: "But recently White calculated what would happen if the shape of the ring encircling the spacecraft was adjusted into more of a rounded donut, as opposed to a flat ring. He found in that case, the warp drive could be powered by a mass about the size of a spacecraft like the Voyager 1 probe NASA launched in 1977.

    Furthermore, if the intensity of the space warps can be oscillated over time, the energy required is reduced even more, White found.

    "The findings I presented today change it from impractical to plausible and worth further investigation," White told SPACE.com. "The additional energy reduction realized by oscillating the bubble intensity is an interesting conjecture that we will enjoy looking at in the lab.""
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    To me, this looks a little bit like the claim "infinity minus one is a little bit less than infinity"...
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    Luzi I miss you ...
Jacco Geul

The sound of space discovery - 2 views

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    European research network GÉANT turns Voyager 1 & 2 data into a musical duet.
johannessimon81

Voyager I has officially entered interstellar space - 2 views

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    NASA JPL presentation on how and when Voyager exited the Heliosphere about a year ago - fascinating!
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    NASA doing a great job here - very good presentation at a perfect abstraction level. I recommend watching the whole record.
Luís F. Simões

William Shatner Wakes Up Crew for Final Discovery Mission - Slashdot - 1 views

  • The Space Shuttle Discovery left the International Space Station this morning for the last time. To commemorate the ship's accomplishments over 27 years of service, the crew was greeted to a morning wake-up message from Capt. Kirk. "Space, the final frontier," Shatner said in a prerecorded message. "These have been the voyages of the space shuttle Discovery. Her 30-year mission: to seek out new science, to build new outposts, to bring nations together on the final frontier, to boldly go and do what no spacecraft has done before."
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    here's a recording of the transmission: http://ia600406.us.archive.org/13/items/STS-133/03-07-11_STS-133_FD12_Crew_Wakeup.mp3 to quote from the thread at reddit: "When the space shuttle first flew, 55 americans were being held hostage in the embassy in Iran, and Ronald Reagan had just become president. That same year Prince Charles would marry Lady Diana, the HIV virus would be first identified, Post-It notes were invented, and a small company called Microsoft released it's new operating system MS-DOS."
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    Speaking of William Shatner, the legendary "Rocket Man": http://www.youtube.com/watch?v=5hARDXYz2io
santecarloni

[1106.1470] Evidence for Time-Varying Nuclear Decay Rates: Experimental Results and The... - 2 views

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    Unexplained annual variations in nuclear decay rates have been reported in recent years by a number of groups. We show that data from these experiments exhibit not only variations in time related to Earth-Sun distance, but also periodicities attributable to solar rotation. Additionally, anomalous decay rates coincident in time with a series of solar flares in December 2006 also point to a solar influence on nuclear decay rates....
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    can we use space to make a smart experiment to solve this riddle? e.g. sending a decay detecter on a close solar orbit and one to Pluto and then compare decay rates? or a highly elliptical trajectory and compare during peri and apoapsis?
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    I think it could be possible. I need to look into the details. In fact it could probably be done already with the nuclear generators on the Voyager and Pioneer and other nuclear powered probes. That is if the data are precise enough...
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