America’s Emerald Isle

America’s Emerald Isle

In a process that played out over thousands of years, a retreating ice sheet carved, scoured, and shaped the landscape of the present-day Great Lakes. In northern Lake Michigan, this sculpting left distinct ridges and valleys running north-to-south along the lake...
America’s Emerald Isle

America’s Emerald Isle

In a process that played out over thousands of years, a retreating ice sheet carved, scoured, and shaped the landscape of the present-day Great Lakes. In northern Lake Michigan, this sculpting left distinct ridges and valleys running north-to-south along the lake...

NASA Langley Engineer Attends FAA Training

At a busy airport, every aircraft in the area shares just a handful of radio frequencies. Spectrum and time are constrained and if multiple people speak at once, both messages can get lost. Communications like “clearance delivery,” which require long transmissions and...

NASA Langley Engineer Attends FAA Training

At a busy airport, every aircraft in the area shares just a handful of radio frequencies. Spectrum and time are constrained and if multiple people speak at once, both messages can get lost. Communications like “clearance delivery,” which require long transmissions and...