Everyone who's had regular dental care knows the heavy lead apron that's draped across your body before taking X-rays of your teeth. But what has been an annual ritual of donning the apron and ...
Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...
X-Rays are the amazing bits of the electro-magnetic spectrum that allow us to see through many objects — including human soft tissue. But when they were first publicly demonstrated on Jan. 23, 1896 — ...
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