The Physics To Go website will be unavailable Friday evening through Saturday afternoon as electrical work occurs in the American Center of Physics server room. Down time will begin at 6PM Eastern Time on Friday. Service is expected to resume by 6PM on Saturday, July 30.

Superhuman Vision - Seeing with Terahertz Feature Summary

From Physics Research
Superhuman Vision: Seeing with Terahertz
Terahertz radiation revealed the knife hidden in the newspaper (hi-res version). This part of the electromagnetic spectrum lies between the short-wavelength radio waves and the long-wavelength infrared (way out beyond the visible). For more information, see Superhuman Vision: Seeing with Terahertz. For a teravision image of a tooth, see T-Ray Triumph from the American Physical Society's Physical Review Focus.
Image Credit: QinetiQ 100 GHz Millimetre Wave
Image Credit: QinetiQ 100 GHz Millimetre Wave
Image URL:
January 16, 2007 - February 1, 2007