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Category: Aerospace Engineering

Satellite view of Post-Tropical Cyclone Jose fading

NOAA’s GOES East satellite provided this visible view of post-tropical cyclone Jose on Saturday, Sept. 23 at 8:15 a.m. EDT. The storm continued weakening and generated light rain. The northwestern quadrant was still over Cape Cod, Mass. Credit: NASA/NOAA GOES Project The National Hurricane Center issued their final advisory on Post-Tropical Cyclone Jose on Sept. 22 at 5 p.m. EDT. NOAA’s GOES East satellite saw the circulation of Jose on Sept. 23 off the New England coast as it continued…

Engineers explore origami to create folding spacecraft

Some examples of origami designs at JPL. Engineers are exploring this ancient art form to create folding spacecraft. Credit: NASA/JPL-Caltech An ancient art form has taken on new shape at NASA’s Jet Propulsion Laboratory in Pasadena, California. Origami, the Japanese tradition of paper-folding, has inspired a number of unique spacecraft designs here. It’s little wonder that it fascinates NASA engineers: origami can seem deceptively simple, hiding complex math within its creases. Besides aesthetic beauty, it addresses a persistent problem…

The Prospect of Space Prospecting

Isaac Asimov’s sci-fi story “Catch That Rabbit,” published in 1944, is set in an asteroid mine and portrays what might happen if formerly obedient robots decided to rebel.  These days, Asimov’s dream of space mining is a lot closer to reality, with several firms making definite plans to launch exploratory vehicles around 2020 and have full-scale mining up and running later in the decade.  But as an article in October’s Scientific American points out, the legal status of space mining…

3-D printers—a revolutionary frontier for medicine

Surgeons at the University of Saskatchewan use a 3D printed human brain to plan complex neurosurgical procedures for patients with movement disorders. Mission control on earth receives an urgent communication from Mars that an astronaut has fractured his shinbone. Using a handheld scanning device, the crew takes images of his damaged tibia and transmits them to earth. Orthopedic surgeons then use a 3-D printer to create an exact replica of the astronaut’s leg from medical imaging files obtained before the…

The sublime challenge of jet noise

Credit: CC0 Public Domain Humans make a lot of noise. The riffs of heavy metal bands like Metallica and Kiss have soared to levels in the 130-decibel range, levels sure to lead to auditory damage. But try as they might, bands just can’t compete with the decibel ranges produced by jet engines. They are, said Joe Nichols, among the loudest sources of human-made noise that exist. An assistant professor of Aerospace Engineering and Mechanics at the University of Minnesota,…

NASA's Cassini spacecraft ends its historic exploration of Saturn

A thrilling epoch in the exploration of our solar system has come to a close, as NASA’s Cassini spacecraft made a fateful plunge into the atmosphere of Saturn, ending its 13-year tour of the ringed planet. Cassini’s plunge brings to a close a series of 22 dives between Saturn and its rings, a feat never before attempted by any spacecraft. Source link…

Engineering brighter smiles | Engineering // Mizzou // University of Missouri

The system uses a clear gel. After application, the user uses the Novashine mouthpiece, which contains 16 individual LED lights that can be powered by plugging the accompanying cord into a phone, computer, USB port or compatible electronic device. Photo courtesy of Nanova, Inc. Nanova, Inc. has done cutting-edge work in the area of dentistry. Now, the company has developed a method to whiten teeth rapidly, affordably and with minimal pain. Novashine is the latest dental product of Nanova, a…

France to arm military surveillance drones

France is set to arm drones that are currently used exclusively for surveillance and intelligence, a first for the French military, the defense minister said Tuesday. Florence Parly said the decision will initially apply only to the six unarmed Reaper surveillance drones that France bought from the United States. Most of them, based in Africa’s Sahel region, are involved in the fight against Islamic extremists. Parly did not specify a timeframe for when they would be armed or what…