Doing so successfully requires the catcher to weigh a complex array of physical and atmospheric factors, among them wind speed and frisbee rotation.

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Various blended-learning models, for example, should create more flexibility and free up more funds so that schools can offer an array of experiences, including physical exercise.

FORBES: Physical Activity and Digital Learning: Two Peas in a Pod

"Smart builds upon the existing concept of 'smart cities', physical spaces which are covered in an array of intelligent sensors which communicate with each other and can be searched for information, " said Dr Iadh Ounis of the University of Glasgow's School of Computing Science.

BBC: Researchers work on smart city search engine

It came up with 16 different factors, including physical beauty, whether the country offers an array of appealing experiences like food, sports and entertainment and whether the country produces high-quality products and services.

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PLAYBAR's advanced speaker array technology combines hardware and software to create a surprisingly wide soundstage beyond the physical soundbar, while maintaining crisp, centered vocals.

ENGADGET: Sonos Playbar: a home theater soundbar that wirelessly streams music for $699, we go hands- (and ears) on