Search results for open airspace

Earth Sciences Aug 4, 2020

Iceland's most active volcano is likely headed for another eruption

Glacial volcanoes sound like an oxymoron. But Iceland's Vatnajökull ice cap, Europe's largest by volume, covers many active volcanoes, including the country's most frequently erupting one, Grímsvötn. Nine years after its ...

Environment Jul 28, 2020

Remains of Cold War plane crash emerging from rapidly melting Alaska glacier

In June this summer, a team of military personnel touched down on Alaska's Colony Glacier with a somber mission: to recover newly unthawed wreckage and human remains from a fatal Cold War-era plane crash. The plane, en route ...

Plants & Animals Apr 10, 2020

Monitoring, deterrence and curtailment make skies safer for bats

The German word for bat is Fledermaus, which translates literally to "flutter mouse." But while some bats do look like mice fluttering on leathery wings, bats are more closely related to humans than rodents. And, as NREL ...

Ecology Oct 23, 2019

Noise pollution hurts wildlife, but states have trouble turning down the volume

A low rumble thrums through the deck as Tacoma, a 5,000-ton ferry, makes its run across Puget Sound from Seattle to Bainbridge Island. Standing near the railing, Colin McCann, a legislative analyst for Washington State Ferries, ...

Plants & Animals Aug 7, 2019

Two heads better than one? Homing pigeons flap faster to fly together

Wildlife researchers have long tried to understand why birds fly in flocks, ranging from structured V-formations to loose clusters that involve complex aerodynamic interactions between group members. Frequently cited benefits ...

Business Jun 13, 2019

Hillwood wants to turn AllianceTexas into 'mobility innovation zone' for drones, autonomous vehicles

When Uber announced it would develop and test an urban air taxi service in Dallas, the Perot family's Hillwood was among the first companies to sign on as one of the ride-hailing company's business partners.

Plants & Animals Jun 11, 2019

Hawks' pursuit of prey has implications for capturing rogue drones

Previous research has shown that falcons intercept prey using the same guidance law as homing missiles, called proportional navigation. This guidance law is optimal against smoothly-manoeuvring aerial targets, but is prone ...

Space Exploration Mar 21, 2019

Michigan could enter the satellite launch business by 2022

Michigan was a major force in the early Space Age, when Chrysler made rockets that carried astronauts and General Motors built the electric buggies they used to explore the moon.

Business Mar 19, 2019

A week after Ethiopia crash, questions swirl around Boeing

Boeing's 737 MAX aircraft are grounded across the world following the crash of Ethiopian Airlines Flight ET302, casting a harsh spotlight on the plane's safety certification and the close relationship between Boeing and American ...

Political science Nov 28, 2018

Arctic cold war: climate change has ignited a new polar power struggle

Climate change is redrawing the Arctic geopolitical map. Rising temperatures are causing permafrost and sea ice in the Arctic Circle to melt at an alarming rate. While this should be a worldwide cause for concern as its impact ...

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