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Watch two F-117 stealth jets fly over Nevada together….8 years after "retirement"
// The Aviationist
It's not a secret that some F-117s are still in airworthy conditions at the Tonopah Test Range, in Nevada. Still, it's pretty unusual and cool to see two Black Jets flying together 8 years after their retirement. And look at photographs… In the last couple of years we have documented the flights of some F-117 […]
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Lockheed Martin and Boeing score contracts for unmanned Navy tanker
// Flight Global HEADLINES
The US Navy awarded both Lockheed Martin and Boeing $43 million risk reduction contracts for the services carrier-based unmanned MQ-25 Stingray.
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Lockheed wins $395m GPS III Space Vehicle contract modification
// Air Force Technology News Press Releases
Lockheed Martin Space Systems has received a $395m US Air Force (USAF) contract modification from the Space and Missile Systems Center for work on the GPS III Space Vehicle programme.
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SpaceX fingers helium as cause of Falcon 9 rocket explosion
// Gizmag Emerging Technology Magazine

SpaceX has released the preliminary findings into the Falcon 9 accident on September 1 that destroyed the unmanned rocket and the Amos-6 satellite on Launch Complex 40 (LC-40) at Cape Canaveral Air Force Station, Florida. According to the company, the "anomaly" that caused the explosion is still uncertain, but it has narrowed things down to the cryogenic helium system used to feed the second stage engine.
.. Continue Reading SpaceX fingers helium as cause of Falcon 9 rocket explosion
Category: Space
Tags: FalconSpaceX Related Articles: SpaceX nails high-speed ocean landing SpaceX nails historic first space rocket landing Latest Falcon 9 sea landing fails SpaceX refires Falcon 9 used in historic first landing SpaceX to try another Falcon 9 sea-barge landing SpaceX raises prices to lower them
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Atmospheric acidity almost back down to preindustrial levels
// Gizmag Emerging Technology Magazine

After increased industrialization in the 1930s, atmospheric acidity levels rose up sharply to a peak in the 1970s, but 40 years after the US and Europe introduced legislation to combat air pollution, acidity in the air has now dropped back down to pre-1930 levels. These figures come out of research by the University of Copenhagen, which used a new technique to measure the pH balance of ice core samples from the Greenland ice sheet, and how it's changed year to year.
.. Continue Reading Atmospheric acidity almost back down to preindustrial levels
Category: Environment
Tags: IcePollutionUniversity of CopenhagenAtmosphere Related Articles: Greenland shark the world's longest-living vertebrate at 392 years young Glued-together virus-like particles make for simple and effective vaccines Copenhagen Suborbitals dreams big with Spica rocket University of Copenhagen opens Center for Disaster Research Grasp telepresence robot puts a remote teacher on your shoulder Homebuilt $70,000 single-person spacecraft tested
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