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

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



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‘Insect-eye’ compass can navigate by the sun even on a cloudy day
GOLAHURA
A compass that relies on polarised light can use the
sun to tell where magnetic north is
even when it is cloudy
It is based on how some insects navigate and could be used
when conventional magnetic compasses aren’t reliable
such as on robotic drones
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