Crossposted at Dailykos.com
Now that we are past infrared, we can talk about something that we actually can see. Visible light occupies the region from about 400 nm (nanometers) to 800 nm, with violet on the short side and red on the long. Thus, red blends into infrared at around 800 nm.
Like most EMR, [...]
Continue reading about The Electromagnetic Spectrum V - Visible Light