Boeing is sticking with plans to speed up production of its 787 and sees no reason to change the lithium-ion battery design at the center of the troubled plane's problems, its CEO said Wednesday. Boeing's full-speed-ahead approach comes even as it became clear that airlines were replacing 787 batteries more often than Boeing had expected.
Ridges in impact craters on Mars appear to be fossils of cracks in the Martian surface, formed by minerals deposited by flowing water. Water flowing beneath the surface suggests life may once have been possible on Mars.
Young engineers who weren't even born when the last Saturn V rocket took off for the moon are testing a vintage engine from the Apollo program. The engine, known to NASA engineers as No. F-6049, was grounded because of a glitch during a test in Mississippi and later sent to the Smithsonian Institution. Now, NASA engineers are using to get ideas on how to develop the next generation of rockets for future missions to the moon and beyond.
The joint U.S. and Japanese investigation into the Boeing 787's battery problems has shifted from the battery-maker to the manufacturer of a monitoring system. Japan transport ministry official Shigeru Takano said Monday the probe into battery-maker GS Yuasa was over for now as no evidence was found it was the source of the problems.
Obama administration officials struggled Wednesday to defend their initial statements that the Boeing 787 is safe while promising a transparent probe of mishaps involving the aircraft's batteries. Transportation Secretary Ray LaHood stood by his Jan. 11 assertion that the 787, Boeing's newest and most technologically advanced airliner, was safe.
The universe abounds with dark matter. Nobody knows what it consists of. Now, University of Oslo physicists have launched a very hard mathematical explanation that could solve the mystery once and for all.
University of Leicester planetary scientists have found new evidence suggesting auroras—similar to Earth's Aurora Borealis—occur on bodies outside our solar system. Auroras occur on several planets within our solar system, and the brightest—on Jupiter—are 100 times brighter than those on Earth. However, no auroras have yet been observed beyond Neptune.
New information coming from researchers analyzing spectrometer data from NASA's Mars Reconnaissance Orbiter (MRO), which looked down on the floor of McLaughlin Crater on the Red Planet’s surface, suggests the formation of the carbonates and clay in a groundwater-fed lake within the closed basin of the crater. The depth of the crater may have helped allow the lake to form.
Japanese and U.S. investigators are conducting a probe of the maker of the lithium ion batteries used in Boeing's grounded 787 jets. Tsutomu Nishijima, a spokesman for GS Yuasa, said Monday that the investigators visited the company's headquarters in Kyoto, Japan and that Yuasa was cooperating with the probe.
The battery that caught fire in a Japan Airlines 787 in Boston last week was not overcharged, but U.S. investigators said Sunday there could still be problems with wiring or other charging components. An examination of the flight data recorder indicated that the battery didn't exceed its designed voltage of 32 volts, the National Transportation Safety Board said in a statement.
Airbus said it was confident its planes would not encounter the same technical problems afflicting archrival Boeing's 787s, even though they use the same kind of batteries that have this week raised security concerns. The company may nevertheless be affected eventually, experts say. If investigations show that authorities had approved parts for the 787 that turned out to be deficient, Airbus may face tougher tests when it tries to launch a new plane this year.
NASA is partnering with a commercial space company in a bid to replace the cumbersome "metal cans" that now serve as astronauts' homes in space with inflatable bounce-house-like habitats that can be deployed on the cheap. A $17.8 million test project will send to the International Space Station an inflatable room that can be compressed into a 7-foot tube for delivery.
Boeing says production of its 787 is continuing as planned, even though airlines have grounded the plane because of safety concerns. Federal aviation officials grounded the plane until they can figure out a solution to electrical problems that have caused one battery to catch fire and another to leak in the past two weeks. It's not clear how long the grounding will last.
Engineers working on NASA's James Webb Space Telescope have recently concluded performance testing on the observatory's aft-optics subsystem at Ball Aerospace & Technologies Corp's facilities in Boulder, Colo. This is significant because it means all of the telescope's mirror systems are ready for integration and testing.
A research team at the Georgia Tech Research Institute (GTRI) is developing an airborne testing capability for sensors, communications devices, and other airborne payloads. This aerial test bed, called the GTRI Airborne Unmanned Sensor System (GAUSS), is based on an unmanned aerial vehicle made by Griffon Aerospace and modified by GTRI.
The troubles with Boeing's 787 Dreamliner are drawing an unwelcome spotlight for the Japanese maker of the powerful lithium-ion batteries that have become the focus of investigations into onboard fire risks. Kyoto, Japan-based GS Yuasa Corp. said it began working Thursday with investigators probing the cause of recent problems with the 787.
NASA is partnering with a commercial space company in a bid to replace the cumbersome "metal cans" that now serve as astronauts' homes in space with inflatable bounce-house-like habitats that can be deployed on the cheap. A $17.8 million test project will send to the International Space Station an inflatable room that can be compressed into a 7-foot tube for delivery, officials said Wednesday in a news conference at North Las Vegas-based Bigelow Aerospace.
It looked like a fireball in the sky. It created a sonic boom. It vaporized upon entering the atmosphere. It's all of the above: The Sutter's Mill Meteorite had the force of 4 kilotons of TNT upon descent and spilled samples of itself over the towns of Columa and Lotus in northern California when it hit Earth last spring. And now a consortium of scientists has determined that the Sutter's Mill Meteorite is the most pristine sample yet collected of the rare Carbonaceous-Mighei chondrite class of meteorites.
About nine years ago, when astronomers first saw Apophis, they thought there was a 2.7% chance that it would smack into our planet. Later, they lowered the chances to an even more unlikely 1 in 250,000. Now it's never mind, they say, as the 1,060-foot wide rock will approach to within 20,000 miles.
In 2004 the Supernova Cosmology Project used the Hubble Space Telescope to find a tantalizing supernova that appeared to be almost 10 billion light-years distant. But Lawrence Berkeley National Laboratory scientists had to wait until a new camera was installed on the Hubble years later before they could confirm the candidate's identity and redshift as a Type Ia "standard candle." The spectrum and light curve of supernova SCP-0401 are now known with clarity; it is the supernova furthest back in time that can be used for precise measurements of the expansion history of the universe.
Netzsch Instruments North America LLC announced that it is currently the sole supplier to Space Exploration Technologies Corp. (SpaceX) of high-temperature thermal analysis instruments used to characterize material properties for space applications. The instruments will be used to fine-tune properties of existing materials and to develop new materials for use in the demanding, harsh environments of space.
Boeing's 787 is supposed to revolutionize air travel. It just needs to get out of its own way first. The new plane is undoubtedly Boeing's most visible. It's built from composites instead of aluminum and comes with the promise of the most comfortable ride in the sky. At $200 million each, 787s are an important part of Boeing's future, even though it will be a while before it makes money on them.
Where do we come from? What is the universe made of? Will the universe exist only for a finite time or will it last forever? These are just some of the questions that University of California, San Diego physicists are working to answer in the high desert of northern Chile.
In 2010, six volunteers were confined in a cramped mock spaceship in Moscow to simulate a voyage to Mars. They emerged after 17 months, claiming a successful experience, but encountered difficulties in getting enough sleep. A study conducted during the experiment found that the lack of slumber can turn intrepid space travelers into drowsy couch potatoes
Images taken by the framing camera onboard NASA's space probe Dawn show two enormous craters in the southern hemisphere of the asteroid Vesta, a remarkable protoplanet that is a time capsule of early planet formation in the solar system. Scientists have recently found that the asteroids that created these impact features also delivered dark, carbonaceous material to the protoplanet.