echo

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Related to backscatter: backscatter spam, backscatter radiation

echo

verb copying, duplication, imitation, reecho, reflect, repeat, repetition, resound, return, reverberate, reverberation
Associated concepts: a circuit court decision echoing annther circuit of the US Court of Appeals
See also: agree, concur, copy, image, imitate, mock, reflection, reiterate, repeat, repercussion
References in periodicals archive ?
TSA rolled out the backscatter machines in October 2010 and subsequently authorized enhanced patdowns -- which could include the touching of breasts, buttocks and genitals -- for passengers unwilling to submit to those scanners.
Truth: Backscatter units use very low power X-rays that bounce off skin and objects like Nerf-balls.
We used a combination of acoustic backscatter measurements, video observations from a stereo-video drop camera (SDC), a remotely operated vehicle (ROV), and catch composition data from a modified bottom trawl to estimate abundances of rockfish species on Snakehead Bank.
Critics of security screening acknowledge that doses from backscatter X-ray systems are very low and safe for an individual," he stated.
Backscatter spam arrives in a user's inbox typically in the form of bounceback messages from an email the user did not actually send.
MobileSearch([TM]) HE: Mobile X-ray system combining high-energy, high penetration transmission X-rays and Z Backscatter X-ray which offers improved detection of threats and contraband a wide field of view with no tire cutoff unlike transmission X-rays -- allowing for the effective scanning of passenger vehicles and tires.
The millimetre wave technology uses electromagnetic waves to perform scans, while the backscatter technology uses low-level X-rays.
Privacy and security are not mutually exclusive, and backscatter has potential to be a valuable tool in our layered security approach," said TSA Administrator Kip Hawley.
The experimental results support the conclusions of a Monte Carlo simulation that the spectrometer will reduce the uncertainty in a due to electron backscatter to less than 0.
It may even backscatter, as Skocpol points out, and return to its starting point.
Versatile Mobile System Offers Transmission and Z Backscatter X-ray for Superior Image Detail
American Science and Engineering Inc (NASDAQ: ASEI), an x-ray detection technology company, has announced that the Transportation Security Administration (TSA) will be using its SmartCheck Z Backscatter Personnel Screening System.