Energy & Green Tech

Austria rail operator OeBB unveils new night trains

Austrian rail operator OeBB on Saturday unveiled its new generation of sleeper trains—a response to demands from travelers for less pollutant alternatives to planes and petrol or diesel cars.

Computer Sciences

Double filters allow for tetrachromatic vision in humans

(Tech Xplore)—A team of researchers at the University of Wisconsin has developed a pair of glasses that allows the wearer to have tetrachromatic vision. In their paper uploaded to the arXiv preprint sever, the group describes ...

Engineering

Electric light transmits data 100 times faster than Wi-Fi

Li-fi, a communication technology harnessing visible light for data transmission, has a potential to surpass Wi-Fi's speed by more than 100 times and boasts a high bandwidth, facilitating the simultaneous transmission of ...

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