maddie page. security machine produces 3d image used mostly in airports replaces standard pat...
TRANSCRIPT
Body ScannersMaddie Page
Security machine Produces 3D image Used mostly in airports Replaces standard pat downs More advanced security
What is a Body Scanner?
Backscatter X-ray beam◦ Substances react differently ◦ Absorb beam, scatter beam, or let beam pass
through◦ Electromagnetic radiation
Input Component:
Millimeter Wave Scanners◦ Emit non-ionizing electromagnetic radiation◦ Similar to wireless data transmitters
Input Component:
Passive Sensors◦ Bounce millimeter-wave or x-ray radiation off
body◦ Obstructed waves flag foreign objects
Input Component:
Image being displayed on monitor◦ Negative ◦ Vivid details◦ Cell phone vs. gun◦ Virtual “strip search”
Output Component:
Vivid facial view Questions about recording of images Radiation poses health concerns Too invasive Scary machine
Negatives
Speed up security More accurate than pat downs Provide vivid images Bombing attempt - 78% approved Radiation equivalent to two minutes
Positives
‣ Needs to be perfected‣ Dependant on
‣ Cultures/beliefs‣ TSA abuse
Conclusion
http://www.theguardian.com/uk/2010/mar/24/airport-worker-warned-body-scanner http://www.cnn.com/2013/05/29/travel/tsa-backscatter http://www.foxnews.com/politics/2013/05/31/tsa-gets-rid-full-body-image-scanners-at-
us-airports/ http://www.usatoday.com/story/travel/2013/05/02/airport-full-body-scanners-pass-radi
ation-tests/2130529/ http://epic.org/privacy/body_scanners/body_scanner_faq.html http://www.ehow.com/list_7477059_airports-install-body-scanners.html#page=1
Sources