In This Issue
From the Academy Director: And the Band Played On
The Knowledge Notebook: The Limits of Knowledge
ASK Interactive
Interview with Jill Prince
The Potential of a New Workplace
Special Pullout: Academy Sharing Knowledge
Jamming with the Institute for Healthcare Improvement
Innovative Partnership Finds Answers to Modeling Lunar Dust
The Innovation Paradox
Applied Knowledge: NASA Aids the Chilean Rescue Effort
Factoring in Humans
The Path to Scientific Discoveries: Designing the Cassini Solstice Mission Trajectory
Mars on a Budget
Spaceflight Hardware on a Service Contract
Explosive Lessons in Hydrogen Safety
Lessons from the National Ignition Facility
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NASA's Fermi Gamma-ray Space Telescope has unveiled a previously unseen structure centered in the Milky Way. Two gamma-ray-emitting bubbles that extend 25,000 light-years north and south of the galactic center were discovered after processing publicly available data from Fermi's large area telescope. The bubble emissions are more energetic than the gamma-ray fog seen elsewhere in our galaxy, and these emissions, as well as the structure's shape, suggest it was formed as a result of a large and rapid energy release—the source of which remains a mystery. Scientists are conducting more analyses to better understand how the never-before-seen structure was formed. Read more about Fermi and this discovery.