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NASA Autonomous Aircraft Designed for High-Altitude Extended Flight

The autonomous airplane can be folded in a confined volume, transported, and deployed in terrestrial or extraterrestrial venues. NASA Langley Research Center researchers have developed an airplane capable of being stowed in a confined volume and deployed in a high-altitude environment for extended-duration flight operations in a low-density atmosphere. Engineers, scientists, and end users can

From the Butterfly”s Wing to the Tornado: Predicting Turbulence

Scientists predict future behavior of turbulent fluid flow using regularities reminiscent of an inverted pendulum. An old adage holds that the flap of a butterfly’s wing in Brazil can trigger a tornado in Texas weeks later. Though chaos theory says it’s basically impossible to compute exactly how that might happen, scientists are making advances in