Apple's efforts come as companies have introduced various kinds of wearable gadgets, mainly designed to measure physical activity.

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This should enable measure of their physical properties, including their atmospheres.

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This feature also is designed to capture your personal sleep activity, in keeping with trends of growing companies like Fitbit, Jawbone Up and Lark that measure sleep or physical activity.

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RVUs are supposed to measure how much time and physical effort a doctor requires to perform different clinical endeavors.

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The hottest items for sale on eBay today will put a truer sparkle in your eye: You may now, with a large measure of safety and security, buy physical gold and silver, as well as platinum and palladium.

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Adapted from an early short story by Elmore Leonard that was previously filmed very capably in 1957 with Glenn Ford and Van Heflin, "3:10 to Yuma" strikes a fair balance between physical action and psychological warfare, but always at its core is the question of how we are to measure these two men.

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The next stage of the research will looking at physical similarities between different groups, in which the team will use photographs of people and make 3D models to measure quantitative similarities between related groups.

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