Light waves squeezed through ‘slits in time’

The classic double-slit experiment leads to characteristic interference patterns.Credit: Russell Knightly/SPL A celebrated experiment in 1801 showed that light passing through two thin slits interferes with itself, forming a characteristic striped pattern on the wall […]

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Keep Watching the Skies!

There have been an awful lot of things falling from the skies this last month from Chinese spy balloons to Unidentified Flying Objects to falling asteroids and comets. So what are we to make of […]

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