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Night-vision contact lenses developed


Posted on Monday, 7 April, 2014 | Comment icon 13 comments


The new lens will be exponentially smaller than traditional devices. Image Credit: US Army

Scientists have invented a working night-vision device that is small enough to fit inside a contact lens.

Previous attempts to produce working night-vision functionality on a tiny scale using traditional methods had proven ineffective because the technology could only absorb a small percentage of the light. To get around this problem, scientists at the University of Michigan went back to the drawing board and developed a whole new way to detect light.

"The challenge for the current generation of graphene-based detectors is that their sensitivity is typically very poor," said Professor Zhaihui Zhong. "It's a hundred to a thousand times lower than what a commercial device would require."

The new and improved version of the detector uses two layers of graphene with an insulating barrier layer between them. By running a current through the bottom layer the device is able to realistically compete with the sensitivity of existing night-vision devices but on a much smaller scale.

"If we integrate it with a contact lens or other wearable electronics, it expands your vision," said Zhong. "It provides you another way of interacting with your environment."

   
Source: Sky News | Comments (13)

Tags: Contact Lens, Night Vision


 
Recent comments on this story
Comment icon #4 Posted by :PsYKoTiC:BeHAvIoR: on 7 April, 2014, 16:28
Thieves and poachers are gonna have a field day (or night in this case) if this becomes publicly available.
Comment icon #5 Posted by Calibeliever on 7 April, 2014, 16:51
I can see a lot of applications for this. It would be cool if they figure how to make it switch modes from light to dark so they can be worn in multiple environments.
Comment icon #6 Posted by YukiEsmaElite0 on 7 April, 2014, 16:54
As soon as I can, I getting a pair. Wonder if they're preion...
Comment icon #7 Posted by Twin on 7 April, 2014, 16:55
Short of a perfect solution, but strong light problem can overcome by wearing a single lens.
Comment icon #8 Posted by maximusnow on 7 April, 2014, 18:12
I want them!
Comment icon #9 Posted by highdesert50 on 8 April, 2014, 5:31
Even Riddick would be envious.
Comment icon #10 Posted by Rogue Suga on 8 April, 2014, 5:44
Oooooooooh! I can't wait to get those!
Comment icon #11 Posted by ancient astronaut on 8 April, 2014, 15:48
Now I can catch those pesky aliens that have been eating my garbage.
Comment icon #12 Posted by :PsYKoTiC:BeHAvIoR: on 8 April, 2014, 15:52
I wouldn't bother them. That sounds like a environmentally friendly solution!
Comment icon #13 Posted by ancient astronaut on 8 April, 2014, 15:53
It's just the fact that they make such a damn mess.


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