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Physics

Liquid crystals could improve quantum communication devices

Quantum light is key to futuristic quantum technologies, but researchers have been creating it in the same way for 60 years – now liquid crystals offer an easier way to produce it

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Liquid crystals could improve quantum communication devices

Physics

How materials that rewind light can test physics' most extreme ideas

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How materials that rewind light can test physics' most extreme ideas

Physics

Doughnut-shaped swirls of laser light can be used to transmit images

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light-trapping device

Physics

Quantum forces used to automatically assemble tiny device

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Chemistry

Gold flecks make super-transparent glass fully opaque from one side

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Schematic image of GaN hollow nanowires on a sapphire substrate.

Technology

Lasers smaller than a human hair emit doughnut-shaped light

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abstract image of light

Physics

Einstein may be wrong about how mirrors travelling at light speed work

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The new design could be used on contact lenses

Technology

Spiral scratches on contact lenses can turn them into multifocals

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Chemistry

Light-sensitive molecules could make carbon capture more efficient

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Space

Galaxy smash-ups may explain strange light from early universe

Light from hydrogen in the early universe has baffled astronomers, but researchers have spotted interacting galaxies that could explain how it makes its way to us

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Ant head with compound eyes

Technology

‘Insect-eye’ compass can navigate by the sun even on a cloudy day

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Nobel prize for physics goes to trio who sliced up time with light

Physics

Nobel prize for physics goes to trio who sliced up time with light

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Definition

Seasonal affective disorder (SAD)

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Technology

Extremely thin lightweight lenses take amazing images of the universe

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