light
![](https://www.planettechnews.com/wp-content/uploads/2019/02/unnamed-file-8576.jpeg)
Filtering light based on direction
Posted in Science on 1st Apr, 2014
by Alex Muller
Potential uses include solar photovoltaics, telescopes, microscopes, and privacy filters for display screens
![](https://www.planettechnews.com/wp-content/uploads/2019/02/unnamed-file-8832.jpeg)
Lasers poised to supercharge underwater communications
Posted in Hardware on 26th Jan, 2014
by Alex Muller
Li-Fi, the technology which allows light to be used to transfer data, will someday soon give us all super-fast Internet connectivity through our desk lamps.
![](https://www.planettechnews.com/wp-content/uploads/2019/02/unnamed-file-8988.jpeg)
Researchers split water into hydrogen, oxygen using light, nanoparticles
Posted in Science on 18th Dec, 2013
by Alex Muller
Technology potentially could create a clean, renewable source of energy.
![](https://www.planettechnews.com/wp-content/uploads/2019/02/unnamed-file-9181.jpeg)
Study with totally blind people shows how light helps activate the brain
Posted in Science on 3rd Nov, 2013
by Alex Muller
Light stimulates brain activity during a cognitive task even in some people who are totally blind.