Findings:

• xray (user)
• The X-Ray Cafe
• Fitting X-Ray Bongo Heads
• X-ray tube
• X-rays
• tylergost xray (user)
• Chandra X-Ray Observatory
• Project X-Ray
• Particle Induced X-Ray Emission
• x-ray (user)
• Camp X-Ray
• X-Ray Fluorescence
• PIN X-ray diode
• Detecting an attacker's IP address hidden by backscatter
• Sony Handycam
• X-Ray Lasers
• X-ray diffraction
• X-Ray crystallography
• X-Ray vision
• x-ray
• X-Ray Astronomy
• X-Ray Spectrum
• x-ray specs
• X-ray Spex

If you Log in you could create a "x-ray backscatter" node. If you don't already have an account, you can register here.