Thermal imaging is a method of improving visibility of objects in a dark environment by detecting the objects' infrared radiation and creating an image based on that information. Thermal imaging, near-infrared illumination, low-light imaging and are the three most commonly used night vision technologies. Unlike the other two methods, thermal imaging works in environments without any ambient light.
William J. Burns was born on October 19, 1861 in Baltimore, Maryland, USA as William John Burns. He was an actor and writer, known for The Strangler (1931), The Black Widow (1931) and An Anonymous Letter (1931). He was married to Annie M. Ressler. He died on April 14, 1932 in Sarasota, Florida, USA.
This article is about the 25th President of the United States. For other people with the same name, see William McKinley (disambiguation). William McKinley (January 29, 1843 â September 14, 1901) was an American politician and lawyer who served as the 25th President of the United States from March 4, 1897 until his assassination in September 1901, six months into his second term.