Wednesday, February 22, 2012

LIDAR Map Shows Height of Earth's Forests

With all this remote sensing and especially with the now (more) common use of ACTIVE sensors, is there any way the average, non-James Bond citizen can know what exactly he's being scanned with?

No, the average citizen cannot know that. The reason is that the emitter is usually not constrained by cost, and emitters exist only in small quantities. For example, that TSA scanner van may exist in quantity one, but the whole population of the USA may be required to be on the lookout for it.

Those emitters also

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/I9SnTvlh65g/lidar-map-shows-height-of-earths-forests

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