'''In a basement laboratory in Phillips Hall, Otto Zhou is working to harness the power of microscopic tubes to better see inside the human body and treat cancer. The physics professor at the University of North Carolina at Chapel Hill, along with ...'

'''Varian Medical Systems, Inc. (NYSE: VAR), a premier supplier of X-ray tubes and flat panel digital image detectors, announced it has been awarded a patent for improved shielding in X-ray tubes. It is the company's 100th X-ray tube patent from the ...'

'''Varian Medical Systems, Inc. (NYSE: VAR), a premier supplier of X-ray tubes and flat panel digital image detectors, today announced it has been given certification to assemble and service X-ray tubes in China to support its growing customer base of ...'

'''The tubes that power X-ray machines are shrinking, improving the clarity and detail of their Superman-like vision. A team of nanomaterial scientists, medical physicists, and cancer biologists at the University of North Carolina has developed new ...'