February 22, 2014
Mohenjo
Science
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Want to boost your eyesight? There’s an app for that.
In a new baseball study, researchers have found that training your brain with a perceptual learning app just may improve your vision.
The researchers tested the vision of baseball players at the University of California in Riverside. Then, during the 2013 NCAA Division 1 season, 19 of the players were given 25-minute brain-training sessions with an app called UltimEyes four days per week.
What did the researchers find when they did follow-up vision tests? The players who used UltimEyes reported significant improvements in seeing at a distance of 20 feet and farther, and “greater peripheral vision.” Some said that their “eyes feel stronger” and that it’s “easy to see further.”
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August 16, 2013
Mohenjo
Science
amazon, aviation, business, Business News, celebrities, climate, European Journal Of Physics, Hotels, huffingtonpost, mental-health, meter sprint, Physics, research, Running Physics, Science, Science News, Science Of Sport, six foot five, Sports News, technology, Technology News, track fans, transportation, travel, Usain Bolt, Usain Bolt Physics, Usain Bolt Speed, Usain Bolt World Record, Usain Bolt World's Fastest Man, vacation, Video
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What explains Usain Bolt’s speed? Track fans have been debating that question for years, and now a team of physicists from the National University of Mexico in Mexico City have created a mathematical model that helps explain how the world’s fastest man is able to bolt 100 meters in well under 9.6 seconds.
“As far as our study can reveal, he seems to be able to develop more power than other runners,” study co-author Dr. Jorge Hernandez, a professor of biophysics at the university, told The Huffington Post in an email. “A way of doing it is that he finds a way to reduce the area (cross section, as we call it) he presents to the air. Maybe adopting a running position that reduces this area, but that wouldn’t reduce his performance/ability to deploy the power he actually does.”
The researchers analyzed Bolt’s 100-meter sprint in the 2009 World Championships in Berlin, where he set a new world record at 9.58 seconds. Considering Bolt’s height (he stands six-foot, five inches), race-day conditions, and the speed he reached, the scientists calculated the amount of drag that Bolt had to overcome to set that record.
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Jamaica’s Usain Bolt wins the men’s 100m final race of the 2009 IAAF Athletics World Championships on August 16, 2009 in Berlin, setting a new world record of 9.58 seconds.
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