| Thursday July 31st 2014

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Posts Tagged ‘dense objects’

Now you don’t even have to be flying to be “scanned” by x-rays

Now you don’t even have to be flying to be “scanned” by x-rays

AS&E's vans can be driven past stationary vehicles to scan their contents or parked to see the innards of passing cars and trucks. The Z Backscatter Vans, or ZBVs, as the company calls them, send a narrow stream of X-rays off and through nearby objects and read which ones bounce back. Absorbed rays indicate dense material such as steel. [...]