Meteorite hunters who flocked to Detroit from across the U.S. after a meteor exploded are finding the fragments.
Space Exploration
Jan 20, 2018
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1340
Whether they know it or not, anyone who's ever gotten a speeding ticket after zooming by a radar gun has experienced the Doppler effect – a measurable shift in the frequency of radiation based on the motion of an object, ...
General Physics
May 10, 2011
2
1
You may not realize it, but the Doppler effect is everywhere in our lives, from tracking the speed of cars with radar to locating satellites in the sky. It's all about how waves change their frequency when a source (like ...
Optics & Photonics
Oct 20, 2023
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321
Study weather reports online, and you might want to give up on meteorology. "Deadly" storms fizzle, while weaker-looking fronts devastate. Temperatures often soar above predicted highs or plummet below predicted lows.
Earth Sciences
Jan 28, 2009
1
1
A team of researchers with Cornell University and the University of Oxford has found that birds and insects reacted in some surprising ways to the 2017 U.S. total solar eclipse. In their paper published in the journal Biology ...
Wave scattering appears practically everywhere in everyday life—from conversations across rooms, to ocean waves breaking on a shore, from colorful sunsets, to radar waves reflecting from aircraft. Scattering phenomena also ...
Optics & Photonics
Sep 22, 2020
1
193
European researchers have squeezed radar technology into a low-cost fingernail-sized chip package that promises to lead to a new range of distance and motion sensing applications. The novel device could have important uses ...
Engineering
Nov 23, 2012
5
0
Today's parking assistant systems enable drivers to safely park their cars even in the narrowest of gaps. Such sophisticated parking aids, and also manufacturing robots which, to move about in unknown environments, require ...
Engineering
Sep 10, 2012
0
0
This image shows the radar reflectivity from the National Weather Service Doppler Radar in Birmingham, Ala. at 5:10 p.m. CDT on April 27, 2011, as a supercell thunderstorm moved across the city. The radar reflectivity is ...
Earth Sciences
May 30, 2011
0
0
A new wideband ring voltage-controlled oscillator (VOC) was proposed by UNIST undergraduate student, Seyeon Yoo with the the research work published in IEEE Microwave and Wireless Components Letters.
Electronics & Semiconductors
Oct 8, 2013
0
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