Scientists are studying how sensors designed to detect nuclear tests could help track space junk and meteorites crashing down in the world's most remote regions. Across the world, dozens of ...
Morning Overview on MSN
Nuclear weapons tests: The physics that makes them so hard to hide
Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the ...
ALBUQUERQUE, N.M. -- Sheets of plastic similar to that used for garbage bags, packing tape, some string, a little charcoal dust and a white shoebox-size box are more than odds and ends. These are the ...
Sometimes, the most important sounds are those that cannot be heard. Take infrasound—acoustic waves below the range of human hearing. Although nuclear weapons blasts, midair meteor explosions, ...
Infrasound refers to sound frequencies below the threshold of human hearing, around 20 Hz or less. There are a variety of natural sources of infrasonic emissions, including thunderstorms, avalanches, ...
Sensors that detect changes in atmospheric pressure due to ground shaking can also obtain data about large earthquakes and explosions that exceed the upper limit of many seismometers, according to new ...
Hurricanes generate sound waves detectable through the air thousands of miles away, which could be a good way to measure the wave conditions near these storms, a new study suggests. Such findings ...
Our atmosphere is filled with sounds that we cannot hear. The Earth hums; volcanoes howl, pop and whistle; storms roar menacingly; and meteors scream before exploding high above the ground. We are ...
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