Infrared Wavebands And Rifle Sights

Infrared Wavebands And Rifles SightsThe electromagnetic (EM) spectrum ranges from gamma rays to long radio waves. In this wide spectrum resides the visible band of violet to red light. All the EM spectrum travels at the speed of light: 300,000,000 meters/second (186,411 miles/second). A good rule of thumb is that light travels about one foot in one nanosecond or a […]

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