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Scientists catch a hidden electronic state forming in just 30 femtoseconds

Scientists watched a light-triggered hidden state form inside a material in only 30 femtoseconds, revealing a step that had never been seen before. The material first entered a fleeting electronic state in which its bonds reorganized in a repeating pattern, followed by tiny atomic shifts. This ultrafast pathway could offer a new way to control electronic properties with light and help inspire…

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NASA's Voyager probes have traveled through space for nearly 50 years. See the remarkable photos from their journeys.

NASA's Voyager 2 is now 49 years old. The probe is more than 13.2 billion miles from Earth, having crossed into interstellar space in 2018.

  • NASA's Voyager probes launched 50 years ago on August 20, 1977
  • Voyager 2 visited all four gas giants: Jupiter, Saturn, Uranus, Neptune
  • Probes continue functioning despite age, extending lifespan for interstellar data

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