A promising technique to steer laser-produced THz radiation in air
Terahertz radiation (THz), electromagnetic radiation with frequencies ranging from 0.1 and 10 THz, is central to the ...
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The Solar Flare That Could Send Us Back to the Stone Age
Introduction to Solar Flares Solar flares are spectacular, yet potentially dangerous, eruptions of energy from the Sun's ...
The Cold War nuclear test that turned the sky crimson
The military wanted to test the electromagnetic impacts of nuclear weapons in space. In 1962 they lit up the sky.
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Curious Kids: Where does black fall on the color spectrum?
Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...
Japanese researchers develop millimeter-wave sensor technology for precision medical imaging
Monitoring respiratory motion during diagnostic imaging and radiation therapy is crucial for accurate diagnosis and treatment ...
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Black holes could 'bend it like Beckham' to reveal hidden asymmetries of the universe
By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...
NEOWISE, the NASA mission that cataloged objects around Earth for over a decade, has come to an end
(THE CONVERSATION) The NASA project NEOWISE, which has given astronomers a detailed view of near-Earth objects – some of which could strike the Earth – ended its mission and burned on reentering the ...
NASA satellites catch Earth's magnetic field making music
Scientists measured a chorus wave emerging from an unexpected place, and confirmed a key piece of a theory about how these ...
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The Italian metamaterial that cools the environment without heating from Aeneas: what it is and how it works
THE’AENEAS (the Italian agency for new technologies, energy and sustainable economic development) has patented a new one ...
Lightning strikes link weather on Earth and weather in space
Lightning can be used to probe Earth’s dynamic Van Allen radiation belts, directly connecting terrestrial weather and space ...
Flickering, invisible space loops may help predict solar flares
It’s notoriously difficult to predict when the sun will belch out a large solar flare — an explosive burst of radiation that ...