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Steelmaking is a major source of emissions. These companies are racing to fix it.
Featured in ion propulsion
Ion Thrusters In NASA Mission Redraw The Boundaries Of Space Exploration
The Dawn spacecraft could change the shape and scope of future missions
NASA Inspects Ion Engine Prototype For Asteroid-Hauling Rocket
A look at possible propulsion for NASA's plan to bring an asteroid home for study.
Germany Builds a ‘Space Tunnel’ for Testing the Ion Engines of the Future
If you want to test an aircraft, a race car, a motorcycle, or just about anything that’s going to be...
NASA Puts Its Money on Quantum Communications, Plasma Propulsion, and Other Future Tech
Firing up the fission fragment rocket engine
Russia, NASA to Meet This Month to Discuss Collaboration on Nuclear-Powered Spacecraft
In the last century, Russia and the United States engaged competitively in both a space race and a nuclear technology...
Satellite Creates First Global Gravity Map of Earth
Using only two months of data, the GOCE gravity-tracking satellite has built the first-ever full map of Earth’s gravitational field....
NASA’s Dawn Spacecraft Sets Record for Acceleration in Space
NASA has a fine track record when it comes to winning space races, so it should come as no surprise...
GOCE Harnesses Ion Propulsion to Capture First ‘Gravity Map’ of Earth
After six months of testing and very careful calibration, the European Space Agency’s GOCE satellite is sending back its first...
Dawn Fires Up Engines
The Dawn spacecraft might have a 3-billion-mile journey ahead of it, but that doesn’t mean NASA engineers are rushing to...
