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green laser light beam. CC0 Creative Commons

2018 Nobel Prize for physics goes to tools made from light beams – a particle physicist explains

2018 Nobel Prize for physics goes to tools made from light beams – a particle physicist explains The 2018 Nobel Prize for physics recognized discoveries that can make more powerful lasers. ledinka / Shutterstock.com Todd Adams, Florida State University Arthur Ashkin. Niklas Elmehed. © Nobel Media, CC BY-SA Gerard Mourou.…

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What could a ‘relativistic camera’ capture on the way to Alpha Centauri? ESA/NASA, CC BY

Observing the universe with a camera traveling near the speed of light

Observing the universe with a camera traveling near the speed of light What could a ‘relativistic camera’ capture on the way to Alpha Centauri? ESA/NASA, CC BY Bing Zhang, University of Nevada, Las Vegas Astronomers strive to observe the universe via ever more advanced techniques. Whenever researchers invent a new…

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The Jedi knights may help protect a galaxy far, far away, but our GEDI will help us study and understand forest changes right here on Earth. Credits: NASA

May the Forest Be With You: GEDI Moves Toward Launch to Space Station

May the Forest Be With You: GEDI Moves Toward Launch to Space Station A first-of-its-kind laser instrument designed to map the world’s forests in 3-D is moving toward an earlier launch to the International Space Station than previously expected. The Global Ecosystem Dynamics Investigation – or GEDI, pronounced like “Jedi,”…

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Langley researchers, from left, Mulugeta Petros, Upendra Singh and Tamer Refaat inside the King Air B200 aircraft on which they recently tested a new triple-pulse lidar that can simultaneously and independently measure carbon dioxide and water vapor, two powerful greenhouse gases. Credits: NASA/David C. Bowman

Taking the Pulse of Greenhouse Gases

Taking the Pulse of Greenhouse Gases It can happen in a flash — airborne science, that is. Two hundred microseconds, to be exact. With lasers shot from the belly of a King Air B200 aircraft. That’s right, scientists are shooting lasers at atmospheric gases — not to zap them out…

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Illustration of a gamma ray burst in space. ESO/A. Roquette, CC BY-SA

How we created a mini ‘gamma ray burst’ in the lab for the first time

How we created a mini ‘gamma ray burst’ in the lab for the first time Illustration of a gamma ray burst in space. ESO/A. Roquette, CC BY-SA Gianluca Sarri, Queen’s University Belfast Gamma ray bursts, intense explosions of light, are the brightest events ever observed in the universe – lasting…

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