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Laser Dazzlers

Video Overview
A laser that stops traffic? Yes, a new light tool called "driver defeat" will help soldiers slow approaching cars from a distance so they can determine if the driver is friend or foe. It works like this; when a laser is pointed at the eye, the flashes create an "afterimage," an optical illusion that limits a person's sight for a very short time. It's a little like driving into the sun, says Gordon Hengst, a research physicist at Brooks City Air Force Research Lab. So, "if somebody's driving a vehicle the natural reaction is to either slow down or stop," giving soldiers that extra moment they need. Scientists are experimenting with the color, power and timing of flashes to make the laser a safe -- as well as effective -- universal stop sign.
Overview

Key Terms:

Lasers
Laser Dazzlers
The Human Eye

Related Links:

Brooks City-Base Air Force Research Lab
www.brooks.af.mil

More Episodes OF LabTV - Season 2

IQ Leaning Network

Video Library

Education Sponsors

IQ Learning Network
  • Alpha Foundation
  • Daniel Foundation of Alabama
  • Hugh Kaul Foundation
  • Monte L. Moorer Foundation
  • Sybil H. Smith Charitable Trust
Web-Interactive Field Trips
  • Alabama Humanities Foundation
    A state program of the National Endowment for the Humanities
  • Robert Meyer Foundation
  • The Stephens Foundation
  • Wells Fargo Foundation
e-Learning for Educators/ APT Learn Online
  • Community Foundation of Greater Birmingham
  • U.S. Department of Education
STEM Education Initiative
  • Ann & Alfred F. Delchamps, Jr. Charitable Fund
  • BBVA Compass Bank
  • Beverly and Gary Cooper Charitable Fund
  • Community Foundation of South Alabama
  • Corporation for Public Broadcasting
General Educational Support
  • Alabama Department of Human Resources
  • Blue Cross/Blue Shield of Alabama
  • Books-A-Million
  • Honda Manufacturing of Alabama
  • Publix
  • Wells Fargo
PBS Kids Programs
  • Alabama Power
  • Books-A-Million
  • Children's of Alabama
  • Publix
  • US Space & Rocket Center
American Graduate
  • Corporation for Public Broadcasting
Southern Education Desk
  • Corporation for Public Broadcasting