Continuing our top 10 ranges, today we will write about top 10 largest cities in the world by land area.
A group of scientists are developed digital contact lens that can display information directly to the retina. So far the device is quite rudimentary, displaying only one well focused pixel, however further research might allow individuals wearing this special computerized lenses to read e-mails,receive real time notifications of important events or even acquire. The super lens, provisonally titled “single-pixel wireless contact lens display”, is made out of a polymer substrate, light-emitted diode, antenna, and an integrated circuit to harvest the wireless power. At first, the researchers used a special kind of miniature LED to suit their purpose, however they soon found that due to the minimum focal distance required to see anything clearly, it just didn’t cut it.
Lenses have been developed on the United States, George Washington University and Aalto University of Finland, reports the BBC.
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