Infrared Rays. Invisible Waves of Heat Sophie Bertling, Melanie Trainor and Isabel McGinty. Wavelength and Frequency The wavelength of infrared rays range from 7 millimeters to 750 nanometers The frequency ranges from 4 X 10 14 Hertz to 1 X 10 13 Hertz .
Invisible Waves of Heat
Sophie Bertling, Melanie Trainor and Isabel McGinty
The wavelength of infrared rays range from 7 millimeters to 750 nanometers
The frequency ranges from 4 X 10 14 Hertz to 1 X 10 13 Hertz
Infrared rays fit between microwaves and visible light.
Discovered in 1800, the German astronomer split light using a prism (an object that can split white light into a spectrum/rainbow) and used a thermometer to find out whether heat was being emitted without light.
Herschel concluded that there must be invisible heat rays, and his hypothesis was correct.
Infrared Photography - can be used to detect pathological tissue growth
Physiotherapists - use remote controls to heat muscles and speed up healing
Infrared Heaters - our skin and clothes absorb the invisible light; keep us warm
Using infrared heaters in your home can cause cancer. The heaters can reach 800 watts.
Scientists say that the only antidote to Ultra Violet radiation is infrared radiation treatment.
Also shown to help humans by;
Infrared rays are also used to treat acne and reduce blood pressure.
There is a story of a man who was being treated with infrared radiation and his pneumonia was cured. Carpal Tunnel Syndrome also responds to infrared radiation treatment.