Let there be light!
D008422:Materials Testing / Q000191:economics / Q000295:instrumentation*; D055095:Optics and Photonics / Q000295:instrumentation*; D010315:Particle Accelerators / Q000191:economics / Q000295:instrumentation* / Q000600:supply & distribution*; D017356:Synchrotrons / Q000191:economics / Q000295:instrumentation* / Q000600:supply & distribution*; D014481:United States; D014961:X-Ray Diffraction / Q000191:economics / Q000295:instrumentation*