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Dubai aims to launch hover-taxi by July

Dubai has tested a Chinese prototype of a self-driving hover-taxi, its transport authority said on Monday, with the aim of introducing the aerial vehicle in the emirate by July.

Study finds flaw in emergent gravity

In recent years, some physicists have been investigating the possibility that gravity is not actually a fundamental force, but rather an emergent phenomenon that arises from the collective motion of small bits of information ...

Do we read differently on paper than on a screen?

On a global scale, we are reading like never before and are spending more and more time glued to a screen. In fact, we read digital media every single day, whether it is on Facebook or in discussion forums. In total, there ...

Review: IPhone user tries to go back to BlackBerry

The BlackBerry's blinking red light used to haunt me. Just when I thought I could relax, enjoy a nice dinner or go for a run, my BlackBerry would start blinking again, signaling a new message. I was an addict. Typing with ...

Imagine if technology could read and react to our emotions

Computers have always been good at doing fast calculations, but adapting to the emotional state of the person using the computer – now there is a grand challenge! The field is called affective computing, and soon it will ...

GHOST: Technology that leaps out of the screen

Exciting new technologies, which allow users to change the shape of displays with their hands, promise to revolutionise the way we interact with smartphones, laptops and computers. Imagine pulling objects and data out of ...

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Screening

Screening, in general, is the investigation of a great number of something (for instance, people) looking for those with a particular problem or feature. One example is at an airport, where many bags get x-rayed to try to detect any which may contain weapons or explosives. People are also screened going through a metal detector. Even though the procedure aims at a large number of screens, it is always equivalent to sampling in statistics, because the complete population is almost always inaccessible for screening.

Screening has other, more specific meanings:

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