Physics
Tiniest ‘ruler’ ever measures distances as small as an atom’s width
A new technique uses glowing molecules, laser light and microscopes to measure distances as minuscule as 0.1 nanometres – the width of a typical atom
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Physics
Quantum holograms can send messages that disappear
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Physics
Liquid crystals could improve quantum communication devices
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Physics
How materials that rewind light can test physics’ most extreme ideas
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Physics
Doughnut-shaped swirls of laser light can be used to transmit images
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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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Technology
Lasers smaller than a human hair emit doughnut-shaped light
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Physics
Einstein may be wrong about how mirrors travelling at light speed work
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Technology
Spiral scratches on contact lenses can turn them into multifocals
Inscribing a spiral in the centre of a contact lens seems to create optical vortices that interact so that the lens provides a clear image of objects at all distances
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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
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Technology
‘Insect-eye’ compass can navigate by the sun even on a cloudy day
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Physics
Nobel prize for physics goes to trio who sliced up time with light
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