How Dangerous Are X-Rays? скачать в хорошем качестве

How Dangerous Are X-Rays?

RSVP to our hangout with AsapSCIENCE and It’s Okay To Be Smart: http://dne.ws/1adOvhs Have you ever gotten an x-ray? How safe are they, and should you be worried about possible negative side effects? Read More: The Electromagnetic Spectrum http://imagine.gsfc.nasa.gov/science/... "The electromagnetic (EM) spectrum is the range of all types of EM radiation." The Centenary of Radiology http://jpma.org.pk/full_article_text.... "The discovery of x-rays in 1895 and radioactivity in 1896, initiated an era of most extensive and intensive research in the history of human civilization into the nature of matter and energy and the interactions between them." Early victims of X-rays: a tribute and current perception http://www.ncbi.nlm.nih.gov/pmc/artic... "X-rays were discovered in 1895 and since then much has been written about Wilhelm Roentgen and the events surrounding the discovery. However, there have been only scattered references in the literature about the early workers who dedicated their life, and death, to X-rays." ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_c... DNews on Twitter   / dnews   Trace Dominguez on Twitter   / tracedominguez   Julia Wilde on Twitter   / julia_sci   DNews on Facebook   / discoverynews   DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com Download the TestTube App: http://testu.be/1ndmmMq