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