There are, however, no interference problems with field-emission X-ray sources, so these can be used to take high-resolution pictures while treatment is proceeding.
Boeing's head of commercial airplanes Ray Conner said at a joint news conference with Ryanair on Tuesday that the problems with the 787s had not affected orders.
Boeing President and CEO Ray Conner apologized to passengers, the airlines and the Japanese people for the problems plaguing the company's newest and most advanced commercial jetliner.
People with underlying heart problems seem to be especially vulnerable to developing this condition, said Wayne Ray, professor of preventive medicine at Vanderbilt and the study's lead researcher.