Category: Physics & Math
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Recommendation to Limit Md. School Wi-Fi Based on ‘Junk Science’
The Children’s Environmental Health and Protection Advisory Council (CEHPAC), an agency within Maryland’s Department of Health and Mental Hygiene, has recommended that schools reduce or eliminate students’ exposure to Wi-Fi because it believes wireless signals might cause cancer. This is pure, unadulterated junk science. Read the rest at Baltimore Sun.
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The Oyster’s Gem: As the Pearl Turns
A pearl forms in response to tissue damage. But how?
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Solar Airplanes: A Flight of Fancy
Solar-powered flight is fun and quirky, but it is not a revolution.
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Sci-Fi Now Reality: Mind Control of Gene Expression
Brain waves –> Bluetooth (microwave photons) –> Electric current –> Magnetic field –> Another electric current (in the implant) –> Near-infrared photons –> Activation of cellular genetic pathway –> Enzyme produced and secreted into the blood.
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The Math Behind the ‘Shoe Size-Age’ Trick
If you want to impress people with a math trick this Halloween, just be sure their birthday is sometime before November… and don’t show it to any centenarians!
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First Observation of Death Valley’s Sliding Rocks
People who enjoy the sport of curling also may be inclined toward rock-watching.
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When a Dam Break Killed 2,209 Americans
One of America’s greatest tragedies is curiously absent from most U.S. history textbooks.
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European Journalists Choose Magic over Physics
Europe is a magical realm. The food is tastier, the people are sexier, and some parts of Poland don’t experience gravity. Wait, what?
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Science Is Broken. Can Better Statistics Help?
The scientific community should replace its 0.05 significance level with 0.005.