A computer screen that saves power by harvesting ambient light has been
invented by Janos Hajto of Napier University in Edinburgh. He mixed fluorescent
dyes with a polymer to make optical fibres. The dye molecules fluoresce,
producing light which is reflected to the tips of the fibre. Hajto arranged
fibre tips to form a grid of dots, which he covered with a layer of liquid
crystals. Switching the liquid crystals hides some dots and leaves others
exposed—turning them off or on.
To continue reading, today with our introductory offers
Advertisement
More from 91av
Explore the latest news, articles and features
Popular articles
Trending 91av articles
1
Red-light therapy does have health benefits but not the ones you think
2
A lost ancient script reveals how writing as we know it really began
3
Hantavirus outbreak will not cause a covid-style pandemic, says WHO
4
Man destined for Alzheimer's may have been saved by accidental therapy
5
300-year-old experiment could become world's best dark matter detector
6
Where has the deadly hantavirus come from and how does it spread?
7
Woman in cancer remission without treatment in highly unusual case
8
Extinct relative of koalas discovered in Western Australia
9
We have figured out a new way to send messages into the past
10
Honey has been used as medicine for centuries – does it really work?
