‘Insect-eye’ compass can navigate by the sun even on a cloudy day
By mimicking how some insects can use polarised light to navigate, a light-detecting compass can tell where magnetic north is even if clouds are covering the sun
![‘Insect-eye’ compass can navigate by the sun even on a cloudy day](https://images.newscientist.com/wp-content/uploads/2023/11/27142057/SEI_181090253.jpg)
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