Tag Fitness bracelets - results: 3

Fitness trackers still follow the military and reveal state secrets

Fitness trackers still follow the military and reveal state secrets

Sometimes familiar things make us very unpleasant surprises. We already wrote that the company Strava, collecting data from fitness trackers, the place of provision of military facilities. But recently it became known that another...

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2018-07-11

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How does it work? | Sleep tracker

How does it work? | Sleep tracker

it is known that human sleep consists of repetitive cycles of REM and NREM sleep. The average duration of each cycle is approximately one and a half hours. A good rest is sleep, which includes 5 full cycles. Thus, for maximum effi...

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2017-12-21

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How does it work? | Pedometer

How does it work? | Pedometer

the First pedometer was invented by the French mathematician Jean Fernely in 1525. The device was a system of gear wheels and gears that are driven by an oscillating lever. He spun the arrows on the four dials, which are consisten...

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2017-12-14

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