mmwave scanners run about 100 GHz, but the effects of THz are still questionable.<p><a href="http:&#x2F;&#x2F;www.technologyreview.com&#x2F;view&#x2F;416066&#x2F;how-terahertz-waves-tear-apart-dna&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.technologyreview.com&#x2F;view&#x2F;416066&#x2F;how-terahertz-wa...</a>