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Current Topic: Science

NASA Request for Information: Provision of Crew Habitability Equipment for International Space Station | SpaceRef - Your Space Reference
Topic: Science 7:40 pm EDT, Sep 17, 2003

] In order for the crew of the ISS to increase from a size
] of 3 crew members to a size of 4 - 7 crew members,
] additional crew habitability equipment (CHE) is required
] onboard the ISS. CHE includes: Crew Quarters, Crew
] Galley, Wardroom Table, Waste and Hygiene Compartment,
] and Waste Collection System.
]
]
]
]
] These items are briefly described below. All items will
] have operating lifetimes of 15 years. It is expected that
] all items will fit within and utilize an International
] Standard Payload Rack (ISPR) location. The ISPR locations
] to be used may be located either in Node 3 or in the US
] Laboratory Destiny. (Information about the dimensions and
] characteristics of an ISPR location is contained in Part
] D.) The equipment will allow for periodic inspections,
] preventative or corrective maintenance, restoration to
] original performance, and replacement of components. All
] items will be transported to the ISS using the Space
] Shuttle and must withstand the launch environments.

To paraphrase ... "Let's Grow."

NASA Request for Information: Provision of Crew Habitability Equipment for International Space Station | SpaceRef - Your Space Reference


Rep. Lampson Re-Introduces Bill to Restore Vision for NASA's Human Spaceflight Program
Topic: Science 6:15 am EDT, Sep 11, 2003

] WASHINGTON,DC- After today's House Science Committee
] hearing on returning the Space Shuttle to flight, U.S.
] Rep. Nick Lampson re-introduced his Space Exploration
] Act. 
]
] "Admiral Harold Gehman's Columbia Accident Investigation
] Board (CAIB) report cites the 'lack of an agreed national
] vision for human space flight' over the past three
] decades as an organizational cause of the accident.  The
] report calls on the White House, Congress and NASA to
] honor the memory ofColumbia's crew by reflecting on the
] nation's future in space," Lampson said.  "I couldn't
] agree more.  Even before theColumbiaaccident, the future
] direction of many of NASA's programs such as Space
] Station and Space Shuttle were "To Be Determined.' "

Rep. Lampson Re-Introduces Bill to Restore Vision for NASA's Human Spaceflight Program


HoustonChronicle.com - Sound of black hole 57 octaves below middle C
Topic: Science 8:12 pm EDT, Sep 10, 2003

] The voice of a black hole is a deep, deep bass, 57
] octaves below middle C and far beyond the hearing range
] of humans. The Chandra X-ray Observatory has picked up
] sound waves for the first time from a cluster of galaxies
] 250 million light years away.
]
] Astronomers at the Institute of Astronomy in Cambridge,
] England, discovered the sound waves while analyzing the
] Chandra images of the Perseus cluster, an immense
] grouping of galaxies held in formation by the powerful
] tug of a supermassive black hole.

HoustonChronicle.com - Sound of black hole 57 octaves below middle C


Venus possibly habitable for billions of years - New Scientist
Topic: Science 6:23 pm EDT, Sep  9, 2003

] The hellish climate of Venus may have arisen far more
] recently than previously supposed, suggests new research.
] If so, pleasant Earth-like conditions probably persisted
] for two billion years after the planet's birth - plenty
] of time for life to have developed.

Venus possibly habitable for billions of years - New Scientist


Earth Science Missions Anomaly Report: GOES/POES Program/POES Project:
Topic: Science 11:44 am EDT, Sep  9, 2003

] As the NOAA-N Prime spacecraft was being repositioned
] from vertical to horizontal on the "turn over cart" at
] approximately 7:15 PDT today, it slipped off the fixture,
] causing severe damage. (See attached photo). The 18'
] long spacecraft was about 3' off the ground when it fell.

Earth Science Missions Anomaly Report: GOES/POES Program/POES Project:


Understanding Columbia - and Fixing NASA | SpaceRef - Your Space Reference
Topic: Science 5:52 pm EDT, Aug 27, 2003

] There is something for everyone in this report: chronic
] under funding of the agency, lack of a clear compelling
] overall goal for America's space program, dysfunctional
] internal communications, rigid management, inability to
] spot trends, ambivalence to external advice, and a
] propensity to accept anomalies rather than fully
] understand them. Moreover, the CAIB makes it very clear
] that many lessons the agency should have learned after he
] Challenger accident either went unlearned, or were
] forgotten once learned.

Understanding Columbia - and Fixing NASA | SpaceRef - Your Space Reference


NASA - Columbia - Home
Topic: Science 5:39 pm EDT, Aug 26, 2003

] The Columbia Accident Investigation Board released its
] final report on Aug. 26, 2003. The report is posted here
] in three versions:

The NASA HQ page for downloading the CAIB report. Has higher resolution PDFs than the caib.us site.

Ad Astra Per Aspera - Semper Exploro

NASA - Columbia - Home


TetrUSS CFD Analysis System for Mac OS X
Topic: Science 9:36 pm EDT, May 19, 2003

TetrUSS is a suite of computer programs used for fluid dynamics and aerodynamics analysis and design. The TetrUSS system was developed at NASA Langley Research Center during the 1990s to bring the state-of-the-art in computational fluid dynamics (CFD) to a higher level of utility, and is geared towards novices and experts alike. The software, originally developed for NASA internal applications, has gradually evolved into an efficient and versatile CFD tool used by engineers and scientists throughout the nation. TetrUSS has been employed in major NASA research programs such as High Speed Research / High Speed Civil Transport, Hyper-X, Abrupt Wing Stall, Mars Scout, Joint Strike Fighter, and many other smaller projects (some recent applications of Mac OS X TetrUSS are shown here). The software is widely used in other government organizations, the aerospace industry, academia, and non-aerospace industries such as automotive, bio-medical, and civil engineering. TetrUSS was the recipient of the prestigious NASA Software of the Year award in 1996.

TetrUSS for Mac OS X is a native Mac OS X port of the original TetrUSS CFD software, and was developed by NASA Langley Research Center and the Air Force Research Laboratory. This CFD system consists of GridToolCocoa, VGRID OpenGL, POSTGRID OpenGL, USM3D, and various tools and utilities. While TetrUSS for Mac OS X is heavily based on the original SGI software (and thus will be familiar to existing TetrUSS users), numerous technologies in Mac OS X have been leveraged to improve performance, productivity, and ease of use. Why Mac OS X? Click here.

TetrUSS CFD Analysis System for Mac OS X


Global Extraterrestrial Hunt to Revisit Old Signals
Topic: Science 9:36 pm EST, Mar 12, 2003

"Researchers spearheading a worldwide effort to find ET, or anyone else out in space besides us humans, plan to revisit a group of their most likely candidate radio signals using the world's largest radio telescope."

Global Extraterrestrial Hunt to Revisit Old Signals


breve 1.5 : simulating 'Decentralized Systems and Artificial Life' on OSX
Topic: Science 8:26 am EST, Mar 12, 2003

"breve is a free software package which makes it easy to build 3D simulations of decentralized systems and artificial life. Users define the behaviors of agents in a 3D world and observe how they interact. breve includes physical simulation and collision detection so you can simulate realistic creatures, and an OpenGL display engine so you can visualize your simulated worlds."

breve 1.5 : simulating 'Decentralized Systems and Artificial Life' on OSX


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