Here's an interesting video. On the Construction of Imaging Polarimetric Cameras for Humanitarian Demining, by David Prutchi. "The human eye can see brightness and color of light, but there's a third property of light waves we can't see - polarity. Bees, cuttlefish, and other animals can see polarity and use this additional sense to find flowers and prey. With some off-the-shelf electronics, humans can do the same to find landmines, cancerous tissue, and an entire world hidden in plain sight. In this talk, David Prutchi goes over the construction of a cheap polarimetric camera built using a Raspberry Pi, a hobby servo, and polarizing film." Read the article that accompanies this video, here... https://hackaday.com/?p=182293

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Augmenting Human Vision With Polarimetric Cameras - Construction of Imaging Polarimetric Cameras for Humanitarian Demining by David Prutchi

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David Prutchi: Construction of Imaging Polarimetric Cameras for Humanitarian Demining

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Video link...
https://www.youtube.com/watch?v=zb0ayifhuZw

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Published on Dec 15, 2015

Hackaday Superconference // Nov 14-15 // Dogpatch Studios // San Francisco

The human eye can see brightness and color of light, but there's a third property of light waves we can't see - polarity. Bees, cuttlefish, and other animals can see polarity and use this additional sense to find flowers and prey. With some off-the-shelf electronics, humans can do the same to find landmines, cancerous tissue, and an entire world hidden in plain sight. In this talk, David Prutchi goes over the construction of a cheap polarimetric camera built using a Raspberry Pi, a hobby servo, and polarizing film

Read the article that accompanies this video:
https://hackaday.com/?p=182293

Visit David Prutchi's website:
http://www.prutchi.com/

Follow David Prutchi on Twitter:
https://twitter.com/davidprutchi

Learn about the Hackaday SuperConference:
https://hackaday.io/superconference/