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Hummingbird Flight: Two Vortex Trails With One Stroke
February 25, 2013 — As of today, the Wikipedia entry for the hummingbird explains that the bird's flight generates in its wake a single trail of vortices that helps the bird hover. But after conducting experiments with ... > full story -
Robotic Bat Wing Engineered: Researchers Uncover Flight Secrets of Real Bats
February 21, 2013 — Researchers have developed a robotic bat wing that is providing valuable new information about dynamics of flapping flight in real bats. From an engineering perspective, the researchers hope the data ... > full story -
Common Swifts Make Mysterious Twilight Ascents
February 21, 2013 — Common swifts climb to altitudes of up to 2.5 km both at dawn and dusk. This unexpected behavior was discovered by a ... > full story -
Six Years in Space for THEMIS: Understanding the Magnetosphere Better Than Ever
February 20, 2013 — On Earth, scientists can observe weather patterns, and more importantly can predict them, through the use of tens of thousands of weather observatories scattered around the globe. Up in the space ... > full story -
Tiny CREPT Instrument to Study the Radiation Belts
February 15, 2013 — A smaller version of an instrument now flying on NASA's Van Allen Probes has won a coveted spot aboard an upcoming NASA-sponsored Cubesat mission -- the perfect platform for this pint-size, ... > full story -
Tough, Light and Strong: Lessons from Nature Could Lead to the Creation of New Materials
February 14, 2013 — In a sweeping review of the field of bio-inspired engineering and biomimicry, two engineers have identified three characteristics of biological materials that they believe engineers would do well to ... > full story -
Deep Space Missions? Magnetic Shielding of Ion Beam Thruster Walls May Provide Power
February 13, 2013 — Electric rocket engines known as Hall thrusters, which use a super high-velocity stream of ions to propel a spacecraft in space, have been used successfully onboard many missions for half a century. ... > full story -
NASA's Orion Lands Safely on Two of Three Parachutes in Test
February 12, 2013 — NASA engineers have demonstrated the agency's Orion spacecraft can land safely if one of its three main parachutes fails to inflate during ... > full story -
Climate Change Affects the Flight Period of Butterflies in Massachusetts
February 12, 2013 — Biologists have found that butterflies show signs of being affected by climate change in a way similar to plants and bees, but not birds, in the Northeast United States. The researchers focused on ... > full story -
NASA Set for New Round of J-2X Testing at Stennis Space Center
February 12, 2013 — NASA's progress toward a return to deep space missions continues with a new round of upcoming tests on the next-generation J-2X rocket engine, which will help power the agency's Space Launch System ... > full story
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