The Electromagnetic Spectrum
Light, Sound and Waves

Infrared identification

Stories from Physics for 11-14 14-16 IOP RESOURCES

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

IOP AWARDS 2025

Teachers of Physics Awards

The Teachers of Physics Award celebrates the success of secondary school physics teachers who have raised the profile of physics and science in schools. Nominations for 2025 are now open.

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