Microwaves used to sniff out corrosion deep inside concrete

Microwaves used to sniff out corrosion deep inside concrete

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Doctors regularly use forms of electromagnetic radiation such as x-rays to detect broken bones and internal damage inside the human body. Now, researchers at the US National Institute of Standards and Technology (NIST) have developed a similar technique that can search for signs of corrosion of iron and steel located deep inside concrete.

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