Physics

  1. Space

    It all started with the Big Bang — and then what happened?

    Scientists explain what really puzzles them about how our universe became what it is today — and what its future may hold.

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  2. Physics

    Cosmic timeline: What’s happened since the Big Bang

    Energy, mass and the cosmos' structure evolved a lot over the past 13.82 billion years — much of it within just the first second.

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  3. Physics

    Experiments on ‘entangled’ quantum particles won the physics Nobel Prize

    Three pioneers in quantum physics share the 2022 Nobel Prize in physics.

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  4. Physics

    Let’s learn about ‘ghost particles’

    Ghostly particles called neutrinos are so lightweight that for a long time, they were thought to have no mass at all.

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  5. Tech

    No trees were harmed to 3-D print this piece of wood

    How clever! Scientists used print-speed adjustments to control how flat, 3-D printed shapes morph into complex wooden objects.

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  6. Space

    Let’s learn about gravitational waves

    Gravitational waves offer scientists a new way to view extreme objects such as black holes and neutron stars.

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  7. Materials Science

    Laser light transformed plastic into tiny diamonds

    The technique could be used to make nanodiamonds for quantum devices and other technology.

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  8. Physics

    Scientists Say: Force

    When an object experiences a force, its change in motion — or acceleration — depends on its mass.

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  9. Tech

    Scientists Say: LED

    LEDs, or light-emitting diodes, light up TV screens, traffic lights and many other devices used in daily life.

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  10. Space

    Amateur astronomers reveal clues to a mysterious double aurora

    Stunning images from citizen scientists show an unusual pattern in ‘Northern Lights.’ They offer clues that may help astronomers better understand a curious red glow.

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  11. Materials Science

    Cool Jobs: Scientific glassblowers shape science

    Glass has played a major role in research for centuries. Today’s artisans work at the forefront of discovery.

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  12. Tech

    This leaping robot can out-jump anything — animal or machine

    Such a bounding bot might someday help explore the moon.

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