The Electromagnetic Spectrum
Light, Sound and Waves
Infrared identification
Stories from Physics
for 11-14
14-16
The black and olive American flags that appear on some US military uniforms are covert infrared reflectors that enable friendly soldiers to be identified with night vision goggles.
References
G. Adcock, CCT-The Eye of the Storm: Volume II – The GWOT Years, Bloomington, IN, AuthorHouse, 2012, p. v.
