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Countrywide Natural Experiment Links Built Environment To Physical Activity

2 months 4 weeks ago
A countrywide study of smartphone users who relocated between US cities found that moving to more walkable environments increased daily walking by 1,100 steps on average. Stanford University researchers analyzed 248,266 days of step data from 5,424 users of the Azumio Argus smartphone app who relocated 7,447 times among 1,609 cities between March 2013 and February 2016. Participants who moved from cities at the 25th percentile of walkability to those at the 75th percentile sustained the increased activity levels for at least three months after relocation. The additional steps consisted predominantly of moderate-to-vigorous physical activity, with large walkability increases of 49-80 points associated with about one hour per week more of such activity. The study found that 42.5% of participants met national physical activity guidelines for moderate-to-vigorous activity after moving to highly walkable locations, compared to 21.5% before relocation. Computer simulations based on the data suggest that increasing all US cities to the walkability level of Chicago or Philadelphia could result in 36 million more Americans meeting aerobic physical activity guidelines.

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US weather agency dangles $396M to run ops for its next space-watching fleet

2 months 4 weeks ago
Hurricane data, schmurricane data: Have you heard about that Sun burp?

The more our Earth-bound society learns to rely on electronics, the greater the risk that weather from the stars shatters our reality. That's why US government space watchers are seeking a company to help them operate the next generation of space weather satellites.…

Brandon Vigliarolo

Samsung Launches World's First Micro RGB TV

2 months 4 weeks ago
Samsung has finally launched a TV featuring the company's new Micro RGB backlight technology. From a report: The 115-inch TV is first launching in South Korea for over $32,000, according to SamMobile, but Samsung says it's coming to the US next, followed by a wider global rollout with more size options. Samsung's Micro RGB technology is being positioned as an upgrade to Mini LED backlights that employ an array of tiny white or blue LEDs behind a TV's LCD panel. Micro RGB backlights instead use an ultra-fine pattern of individually controlled red, green and blue LEDs that are each less than than 100um in size. The new backlight is powered by Samsung's Micro RGB AI engine, which the company says "analyzes each frame in real time and automatically optimizes color output for a more lifelike and immersive picture." The technology allows for improved color accuracy and better contrast by precisely controlling the intensity of the individual LEDs, and Samsung says it can even boost the color in dull scenes, making them appear more vivid and immersive.

Read more of this story at Slashdot.

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