As ETFs have exploded in popularity, they also have become thesource of concern that thestructure distorts prices or would break under the strain of investors bailing out en masse.
"It's correlating the increasing intensity in different bands that provides really important clues about thestructure of thesource, " Prof Madejski - a co-investigator on the NuStar X-ray telescope, told BBC News.
The key advantage for OLED is that the panel itself emits light, eliminating the need for a light source behind it and keeping the overall structure very thin and light.
Thesource of malinvestment, according to the Austrian theory, is the systematic distortion of thestructure of production that has its origins in government manipulation of the interest rate.