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The speed of light can be intentionally reduced in various media. Various techniques have been developed over the years to slow down light, including electromagnetically induced transparency (EIT), Bose-Einstein condensate ...
Once every year, a select group of nuclear, climate and technology experts assemble to determine where to place the hands of the Doomsday Clock.
The European Space Agency gave the green light to two missions on Thursday, one to detect ripples in spacetime called gravitational waves and another to probe the secrets of Earth's closest neighboring planet Venus.
The symbolic "Doomsday Clock" was held at 90 seconds to midnight Tuesday, reflecting existential threats to humanity posed by potential nuclear escalation from the war in Ukraine and the multiplying impacts of the climate ...
The general theory of relativity is based on the concept of curved space–time. To describe how the energy and momentum of fields are distributed in space–time, as well as how they interact with the gravitational field, a ...
A research team has uncovered the dynamics of bright-dark exciton transition in anatase TiO2. Their findings have been published in the Proceedings of the National Academy of Sciences.
What is the universe made of? This question has driven astronomers for hundreds of years.
The most evocative astronomy images take us across space and time to stars and galaxies billions of light-years away. Nestled at the center of this one, taken by the Hubble Space Telescope, is a collection of three galaxies. ...
The Chinese Academy of Sciences (CAS) spacecraft Einstein Probe lifted off on a Chang Zheng (Long March) 2C rocket from the Xichang Satellite Launch Center in China at 15:03 CST / 07:03 GMT / 08:03 CET on 9 January 2024. ...
Over ten years ago, the Dark Energy Survey (DES) began mapping the universe to find evidence that could help us understand the nature of the mysterious phenomenon known as dark energy. I'm one of more than 100 contributing ...
