Sentences with phrase «radiation backscattered»

Not exact matches

Experts say the dose from the backscatter is negligible when compared with naturally occurring background radiation, but a linear model shows even such trivial amounts increase the number of cancer cases

AS&E says the radiation dose from a backscatter x-ray, less than 10 microrems, is the same received from natural sources during two minutes of an airplane flight at 30,000 feet.

Although backscatter and millimeter wave scanners might have given screeners cause to be suspicious of an underwear bomb, neither are used in all airports, and passengers concerned about exposure to radiation can often opt to instead be frisked by security personnel.]

[Backscatter picks up the radiation bounced back from the passenger's body and any objects the person may be concealing.

Radars measure the backscattering of electromagnetic microwave radiation with wavelengths on the order of 3 to 10 cm (1 to 4 inches).

We know there are effects from land use change and we know we have added to atmospheric backscatter of solar radiation from particulates (sulfate aerosols, dust from agriculture...) but we are no longer certain of the net sign of anthropogenic temperature change.