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Older folks may appear to react or process info slowly. But there may be a method to their meander-ness: they’re making sure they get it right.

In this month's edition of Physics World, David Wilkinson, visiting fellow at Nottingham Trent University and former project manager in the UK Home Office Scientific Development Branch, explains how physics is at the forefront of police weapons testing, making sure that potential devices meet the strict criteria set out by the UK government.

Besides accelerating your gym results, Power Plate’s newest model, the my7, now acts as your own personal trainer, making sure you attain the customizable fitness goals you’ve plugged in. Body vibration technology, first used by astronauts and elite athletes, was introduced for home use in 2006 with the Personal Power ...