Science and Technology STS - 117 Shuttle Atlantis

Atlantis Space Station Bound! Cheers and shouts can be heard throughout the Kennedy Space Center as Atlantis roars off the launch pad into a clear blue Florida sky!

Within 10 minutes, the shuttle will be in orbit around the Earth. Within 24 hours Atlantis will undergo the rendezvous pitch maneuver and thermal protection system tile inspection. By flight day 3, Atlantis will be ready to dock with the International Space Station.

Mission and Crew, Mission STS-117 is the Space Shuttle Program's 21st mission to the International Space Station. Rick Sturckow will command the mission and Lee Archambault will serve as Atlantis' pilot. Mission Specialists Patrick Forrester, James Reilly, Steven Swanson, John Olivas and Flight Engineer Clayton Anderson round out the crew to deliver the S3/S4 starboard truss segments, batteries and another pair of solar arrays to the space station. Anderson will replace Expedition 15 Flight Engineer Sunita Williams on station and Williams will return to Earth aboard Atlantis.

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Science and Technology Dark Matter

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How do we know that dark matter isn't just normal matter exhibiting strange gravity? A new observation of gravitationally magnified faint galaxies far in the distance behind a massive cluster of galaxies is shedding new dark on the subject. This image from the Hubble Space Telescope indicates that a huge ring of dark matter likely exists surrounding the center of CL0024+17 that has no normal matter counterpart.

What is visible in the above image, first and foremost, are many spectacular galaxies that are part of CL0024+17 itself, typically appearing tan in color. Next, a close inspection of the cluster center shows several unusual and repeated galaxy shapes, typically more blue. These are multiple images of a few distant galaxies, showing that the cluster is a strong gravitational lens. The relatively weak distortions of the many distant faint blue galaxies all over the image, however, indicates the existence of the dark matter ring. The computationally modeled dark matter ring spans about five million light years and has been digitally superimposed to the image in diffuse blue.

A hypothesis for the formation of the huge dark matter ring holds that it is a transient feature formed when galaxy cluster CL0024+17 collided with another cluster of galaxies about one billion years ago, leaving a ring similar to when a rock is thrown in a pond.

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Image credit: NASA, ESA, M. J. Jee and H. Ford et al. (Johns Hopkins Univ.)

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Science and Technology Yuri Gagarin First Man in Space

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April 12 was already a huge day in space history twenty years before the launch of the first shuttle mission. On that day in 1961, Russian cosmonaut Yuri Gagarin (left, on the way to the launch pad) became the first human in space, making a 108-minute orbital flight in his Vostok 1 spacecraft. Newspapers like The Huntsville Times (right) trumpeted Gagarin's accomplishment.

Mercury astronaut Alan Shepard became the first American in space less than a month later.

Scientific cooperation with the Soviet Union dates back to the very beginnings of space flight. The first cooperative human space flight project between the United States and the Soviet Union took place in 1975. The Apollo-Soyuz Test Project was designed to test the compatibility of rendezvous and docking systems for American and Soviet spacecraft and to open the way for future joint manned flights.

Since 1993, the U.S. and Russia have worked together on a number of other space flight projects. The Space Shuttle began visiting the Russian Mir space station in 1994, and in 1995 Norm Thagard became the first U.S. astronaut to take up residency on Mir. Seven U.S. astronauts served with their Russian counterparts aboard the orbiting Mir laboratory from 1995 to 1998. The experience gained from the Mir cooperative effort, as well as lessons learned, paved the way for the International Space Station.

In-orbit construction on the Station began in November 1998, and it has been staffed non-stop with international crews since November 2000. The first Station crew, made up of U.S. commander Bill Shepherd and cosmonauts Yuri Gidzenko and Sergei Krikalev, was launched on board a Russian Soyuz spacecraft. The crew returned to Earth on the Space Shuttle Discovery in March 2001.

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Science and Technology, Magnesium Oxide Dice

Chemical Analysis; Magnesium Oxide Dice, NIST scientists are developing new three-dimensional chemical imaging methods. Using a scanning transmission electron microscope, a tilting stage, and sensitive detectors,

NIST researchers can construct images that reveal both the chemical components and the complex shapes of crystal structures. This image shows cubes of magnesium oxide. Nanoscale particles of gold were deposited on the crystal faces to help define the surface topography.

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*CSTL, microscopy, STEM, 3D imaging, nano particles, nanotechnology, crystallography, crystal structure

See also nist.gov/public_affairs/aml_graphics_gallery. Subjects (names): Topics/Categories: Chemical AnalysisNanotechnology--Materials, Type: Graphic/scientific data.

Source: National Institute of Standards and Technology, Credit Line as it should appear in print: Image credit: J.H. Scott, J. Bonevich/NIST, Date Created: June 21, 2004, Date Entered: 3/7/2005

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Science and Technology, Transistors

New Design for Transistors Powered by Single Electrons, The colorized images show how tuning the voltage of the three gates controls very small amounts of electrical charge and regulates current flow in the new silicon transistor.

In the first figure, the pattern of diagonal lines indicates the charge is correlated throughout the device, and current is flowing (at levels ranging from 0 Amps shown in red, to 1.4 nanoAmps shown in violet). The next three figures show what happens as the voltage applied to the center gate is reduced. In the last figure, the square pattern indicates the charge has separated in the device, and the large amount of white space indicates a related drop off in the current.

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Credit Line as it shouldappear in print: Credit: NTT/NIST, AV Number: 06EEEL003, Date Created: February 2, 2006, Date Entered: 2/2/2006

The NIST Image Gallery contains both photographs and graphics related to the work of the National Insitute of Standards and Technology. Major topics include research areas such as nanotechnology, homeland security, biotechnology, electronics, manufacturing, chemistry, physics, materials, construction, fire, and computer science; NIST buildings and facilities; portraits of selected NIST senior staff members, and historical photos.

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Science and Technology, nanoscale organic molecules

Caption: NIST researchers made the first confirmed "spintronic" device incorporating organic molecules using a nanoscale pore test structure,

which consisted of self-assembled molecules (shown in white within the middle blue layer in the illustration) sandwiched between nickel and cobalt electrodes (gray top and bottom layers). The pore structure, less than 40 nanometers in diameter, confines the molecules to a very small area, thus enabling good molecule-metal contacts and limiting defects. Credit: D. DeLongchamp/NIST. Usage Restrictions: NONE. Related news release: Molecular spintronic action confirmed in nanostructure

The NIST Image Gallery contains both photographs and graphics related to the work of the National Insitute of Standards and Technology. Major topics include research areas such as nanotechnology, homeland security, biotechnology, electronics, manufacturing, chemistry, physics, materials, construction, fire, and computer science; NIST buildings and facilities; portraits of selected NIST senior staff members, and historical photos.

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Science and Technology, Hubble Space Telescope

Hubble Space Telescope and Earth, Flyaround of the Hubble Space Telescope (HST) after deployment on this second servicing mission (HST SM-02). Note the telescope's open aperature door.

Keywords, STS-82 Discovery Hubble Space Telescope HST Aperture Door, Subject Category Space Shuttle, Hubble, Reference Numbers, Center: JSC, Center Number: STS082-746-059 GRIN DataBase Number: GPN-2000-001064, Source Information, Creator/Photographer: NASA, Original Source: DIGITAL.

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Science and Technology, Mercury Capsule

Project Mercury - Capsule #2. Capsule complete in Lewis Hangar near Cleveland, Ohio. Lewis is now known as the Glenn Research Center. Keywords, Project Mercury Capsule Lewis Research Center.

Subject Category Mercury-Program, Mercury-Gemini Spacecraft, Reference Numbers, Center: GRC, Center Number: C1959-51324, GRIN DataBase Number: GPN-2000-000382. Source Information, Creator/Photographer: Ernie Walker, Original Source: DIGITAL.

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Science and Technology, Ocean Circulation

Data Assimilation in High Resolution, Numerical Simulations of the Ocean Circulation, Eric P. Chassignet, Office of Naval Research, Arlington, VA,

The primary goal of this Challenge project is to support the Navy's requirement for generation of optimal estimates of the time-varying ocean state on synoptic time scales on the order of weeks to months and on spatial scales typically on the order of 10-1000 km (mesoscale). Doing this in real time requires interplay between large varied data sets, numerical ocean circulation models, and data assimilation algorithms.

Due to the large demand placed by near-optimal assimilation techniques on raw computing power, this work qualifies as a Challenge project. It has been made possible through the extensive use of High Performance Computing (HPC) assets provided by the High Performance Computing Modernization Program.

The Naval Oceanographic Office Major Shared Resource Center (NAVOCEANO MSRC) is a premiere provider of high performance computing services and support to the United States Department of Defense.

We are located within the NAVOCEANO headquarters complex at NASA's John C. Stennis Space Center on the Mississippi Gulf Coast.

NOTICE: This is a U.S. Government Web Site This is a World Wide Web site for official information about NAVO Major Shared Resources Center. It is provided as a public service by U.S. Navy and Department of Defense. The purpose is to provide information and news about the NAVO MSRC to the general public.

All information on this site is public domain and may be distributed or copied unless otherwise specified. Use of appropriate byline/photo/image credits is
requested.

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Science and Technology, Computational Fluid Dynamics

The Computational Fluid Dynamics CTA covers high performance computations whose goal is the accurate numerical solution of the equations describing fluid and gas motion

and the related use of digital computers in fluid-dynamics research.

CFD is used for basic studies of fluid dynamics for engineering design of complex flow configurations, and for predicting the interactions of chemistry with fluid flow for combustion and propulsion.

The Naval Oceanographic Office Major Shared Resource Center (NAVOCEANO MSRC) is a premiere provider of high performance computing services and support to the United States Department of Defense.

We are located within the NAVOCEANO headquarters complex at NASA's John C. Stennis Space Center on the Mississippi Gulf Coast.

NOTICE: This is a U.S. Government Web Site This is a World Wide Web site for official information about NAVO Major Shared Resources Center. It is provided as a public service by U.S. Navy and Department of Defense. The purpose is to provide information and news about the NAVO MSRC to the general public.

All information on this site is public domain and may be distributed or copied unless otherwise specified. Use of appropriate byline/photo/image credits is
requested.

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Science and Technology, Caduceus with DNA

caption: All diseases have a genetic component, whether inherited or resulting from the body's response to environmental stresses like viruses or toxins. The successes of the Human Genome Project (HGP) have even enabled researchers to pinpoint errors in genes--the smallest units of heredity--that cause or contribute to disease. The ultimate goal is to use this information to develop new ways to treat, cure, or even prevent the thousands of diseases that afflict humankind. High Resolution Image image credit: U.S. Department of Energy Human Genome Program, ornl.gov/hgmis. For more on the HGP and Medicine, see our Medicine and the New Genetics Website. This image originally appeared in the 2001 U.S. DOE Primer: Genomics and Its Impact on Medicine and Society.

This image gallery is a special feature of the U.S. Department of Energy's Human Genome Project Information and Genomics:GTL Web sites.

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Image Use and Credits Almost all of the images on U.S. Department of Energy pages are original graphics created by the U.S. Department of Energy Human Genome Program's Human Genome Management Information System (HGMIS). You will recognize these HGMIS images by their credit line (U.S. Department of Energy Human Genome Program or U.S. Department of Energy Genomics:GTL Program.) Permission to use these graphics is not needed, but please credit the U.S. Department of Energy Human Genome Program or U.S. Department of Energy Genomics:GTL Program, the website ornl.gov/hgmis .

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Science and Technology, Magenta Microheater

Magenta Microheater. A NIST-developed microheater device can be used to quickly detect toxic gases such as sarin or mustard gas.

Slight variations in the thickness of the sensing film covering the microheater cause changes in color that have been enhanced in this micrograph. NIST researchers will use the AML's Nanofabrication Facility to make arrays of such microsensors tailored to sense specific chemicals at part per billion concentration levels.

Date created:6/25/04, Last updated: 6/29/04 Contact: inquiries@nist.gov

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Science and Technology, Leitz-Wetzlar microscope

This is the 1913 E. Leitz-Wetzlar microscope that Dr. Mountin used in medical school and early in his career as a physician. The Communicable Disease Center was organized in Atlanta, GA, on July 1, 1946. As a visionary public health leader, its founder, Dr. Joseph W. Mountin had high hopes for this small

and comparatively insignificant branch of the Public Health Service (PHS). This artifact can be seen at the Global Health Odyssey.

Content Providers(s): CDC/ Global Health Odyssey, Judy Gantt, Mary Hilpertshauser , Creation Date: 2004, Photo Credit: James Gathany
Links:

• CDC – Office of Communication; Global Health Odyssey Museum
• CDC - Epidemic Intelligence Service (EIS), Epidemiology Program Office
• U.S. Public Health Service Commissioned Corps

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Science and Technology, SR-71 Blackbird

The SR-71, unofficially known as the "Blackbird," is a long-range, advanced, strategic reconnaissance aircraft developed from the Lockheed A-12 and YF-12A aircraft.

The first flight of an SR-71 took place on December 22, 1964, and the first SR-71 to enter service was delivered to the 4200th (later, 9th) Strategic Reconnaissance Wing at Beale Air Force Base, Calif., in January 1966. (U.S. Air Force photo by Tech. Sgt. Michael Haggerty) This Web site is provided as a public service by the 95th Air Base Wing (Public Affairs). Information presented on this Web site is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credits is requested. Highr Resolution Image

The Air Force retired its fleet of SR-71s on Jan. 26, 1990, because of a decreasing defense budget and high costs of operation. The Air Force returned the SR-71 to the active Air Force inventory in 1995 and began flying operational missions in January 1997.

The aircraft were permanently retired a few years later. Throughout its nearly 24-year career, the SR-71 remained the world's fastest and highest-flying operational aircraft. From 80,000 feet it could survey 100,000 square miles of Earth's surface per hour. On July 28, 1976, an SR-71 set two world records for its class: an absolute speed record of 2,193.167 miles per hour and an absolute altitude record of 85,068.997 feet.

The Lockheed SR-71 remains one of the most exotic and mysterious aircraft of all time. Its mighty J58 engines, with a thrust equivalent to 45 diesel locomotives,

enable it to cruise for prolonged periods above Mach 3 and at altitudes in excess of 80,000 feet. Here one of the Blackbirds banks gently in its home skies over California's Mojave Desert. Note the Lockheed "Skunk Works" logo on its vertical stabilizer.

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Science and Technology, Avian influenza A H5N1

Colorized transmission electron micrograph of Avian influenza A H5N1 viruses (seen in gold) grown in MDCK cells (seen in green). Avian influenza A viruses do not usually infect humans; however,

several instances of human infections and outbreaks have been reported since 1997. When such infections occur, public health authorities monitor these situations closely.

Content Providers(s): CDC/ Courtesy of Cynthia Goldsmith, Jacqueline Katz, and Sherif R. Zaki. Creation Date: 1997, Photo Credit: Cynthia Goldsmith, Links: CDC - Influenza (Flu) Information Page

Copyright Restrictions: None, This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

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