radiation radiation

The Amana Radarange was born of a happy accident caused by an engineer who was working for the defense contractor Raytheon in the 1940s. Courtesy of The Smithsonian Institution hide caption

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Courtesy of The Smithsonian Institution

3, 2, 1 ... Beeeep! Your Microwave's 50th Anniversary Is Ready

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The Homeland Security website Ready.gov warns that following a nuclear blast, you should wash your hair with shampoo but not use conditioner, because conditioner can bind radioactive material to your hair. Smith Collection/Getty Images hide caption

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Smith Collection/Getty Images

A man is screened with a backscatter X-ray machine as travelers go through a security checkpoint at Los Angeles International Airport in 2011. Danny Moloshok/Reuters/Corbis hide caption

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Danny Moloshok/Reuters/Corbis

Farmer Magoichi Shigihara checks on his cucumber farm in Nihonmatsu in Fukushima prefecture, about 31 miles west of the Fukushima nuclear power plant, in May 2011. Testing shows radiation in foods grown and raised in Fukushima is back to pre-accident levels. Yoshikazu Tsuno/AFP/Getty Images hide caption

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Yoshikazu Tsuno/AFP/Getty Images

Emily Whittington, a radiation therapist at Vanderbilt-Ingram Cancer Center, pulls down a mask intended to guide radiation beams into patients with head and neck cancer. Emily Siner/NPR hide caption

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Emily Siner/NPR

Unmasked, Cancer Survivors Face The Symbol Of Their Torture

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Japan Aerospace Exploration Agency astronaut Aki Hoshide makes a space walk outside the International Space Station in 2012. NASA/Getty Images hide caption

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NASA/Getty Images

Ethicists Tell NASA How To Weigh Hazards Of Space Travel

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Headed To Mars? Watch Out For Cosmic Rays

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Radiation therapist Jean Etienne holds a range compensator, which shapes the depth to which the proton beam enters a patient's body to target a tumor. Rebecca Davis/NPR hide caption

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Rebecca Davis/NPR

Pricey Prostate Cancer Therapy Raises Questions About Safety, Cost

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This illustration shows a device made by MammoSite used to deliver targeted doses of radiation as part of brachytherapy. Courtesy Radiological Society of North America hide caption

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Courtesy Radiological Society of North America

Wider Use Of Breast Cancer Radiation Technique Raises Concern

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