Technology
‘Insect-eye’ compass can navigate by the sun even on a cloudy day
By mimicking how some insects use polarised light to navigate, a light-detecting compass can tell where magnetic north is even if clouds are covering the sun
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By mimicking how some insects use polarised light to navigate, a light-detecting compass can tell where magnetic north is even if clouds are covering the sun
A barn rigged with dozens of cameras and sensors could help scientists better understand the group dynamics and flight patterns of flocks of birds and swarms of insects