The first walking robot that moves without GPS

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Navigation using the sun's ultraviolet light,
this asks for experiments ;-)

The first walking robot that moves without GPS
 https://www.sciencedaily.com/releases/2019/02/190213142705.htm


Re: The first walking robot that moves without GPS
On 14/02/2019 07:33, snipped-for-privacy@nospam.org wrote:
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It is more likely a variant of Haidinger's Brush which is primarily  
related to polarisation. Some people can see it without using polaroid  
spectacles but it is relatively easy to see with a polarising filter.

https://en.wikipedia.org/wiki/Haidinger%27s_brush

Bees and various other insects can do dead reckoning based on the sun's  
position and navigate using that axis as a reference.

--  
Regards,
Martin Brown

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