Instead, backscatter systems take advantage of what happens when the X-rays are absorbed by the object. When they strike an atom and get absorbed, some of that energy gets used to kick an electron ...

The National Library of Medicine specified that the backscatter x-ray exposes travelers to 0.03–0.1 μSv per scan, which is the same radiation you'd get from three to nine minutes of usual activity.

After the backscatter X-ray screener was introduced, it did little to make the public feel safe due to its highly revealing X-rays. News stations covered the privacy concerns, with CBS reporting ...

MIT's Van Atta Acoustic Backscatter leverages decades' old tech to create a promising new means of submersible signal transmission. By Andrew Paul Published Sep 7, 2023 5:00 PM EDT Get the Popular ...

In the research paper [PDF], they also test whether these ambient backscatter devices interfere with TV signals -- and as long as it's at least 7.2 inches (18cm) away from the TV antenna, no ...

The Z Backscatter Van can be used to detect contraband such as car bombs, drugs or people in hiding, but the vans, which also can see through clothes and into some buildings, are raising major ...

Currently, the following radar data specifications exist: Polarimetric Radar (POL), Normalised Radar Backscatter (NRB) und Ocean Radar Backscatter (ORB). NRB is optimised for land applications. During ...

Backscatter spam is far from a new phenomenon. Also called non-delivery receipt spam (NDR spam), backscatter occurs when spammers put someone else’s e-mail address in the “From” field of ...

In total, there are 174 Rapiscan backscatter X-ray machines that will be pulled from airports and relocated, on top of the 76 that were removed last year.