MIT takes step toward airport scanners that can identify explosives
Monday, December 7, 2009 - 12:42
in Physics & Chemistry
CAMBRIDGE, Mass. -- For more than 30 years, scientists have been trying to harness the power of terahertz radiation. Tucked between microwaves and infrared rays on the electromagnetic spectrum, terahertz rays can penetrate clothing, plastic, and human tissue, but they're thought to be safer than x-rays. Link: http://web.mit.edu/newsoffice