Word: x-rays
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Well, here was one significant counterclaim lying on the stretcher today. Nick's shortened, turned-in leg announced the problem even before I saw his x-ray. His new old hip was dislocated...
...Five beamlines are ready for use, and another four are being designed. One of those, to be devoted to medical imaging, will produce images vastly more detailed than conventional X-ray images. It could also be used in the treatment of patients: there have been promising results from international animal trials using synchrotron X rays to irradiate cancer tumors without affecting healthy surrounding tissue...
Remember the supernova, that great burst of sky violence that was supposed to be the finest pyrotechnics show the heavens could offer? Forget it. NASA's Chandra X-Ray Observatory and several ground-based optical telescopes have just witnessed a cosmic blast that makes the supernova look like a popgun...
...common exercise of medical judgment. You see it used by the doctor starting antibiotics on a sick child with a negative culture, transfusing a patient whose blood count isn't that low (yet) or putting a cast on when it's clear the bone hurts but the X-ray doesn't show a fracture. (The machines might actually trump us on these - an MRI will usually show up these "invisible" breaks...
Their observations confirmed one structural model for quasars. The cloud that had eclipsed the X-ray source was found to be a mere hundredth of a light year from the black hole’s event horizon, or the point at which material is permanently consumed by the black hole...