Radiocarbon dating - Wikipedia en.wikipedia.org/wiki/Radiocarbon_datingPrivate View Radiocarbon dating helped verify the authenticity of the Dead Sea scrolls. Radiocarbon dating (also referred to as carbon dating or carbon-14 dating) is a method for determining the age of an object containing organic material by using the properties of radiocarbon, a radioactive isotope of carbon . The method was developed in the late 1940s at ...
M2 Browning - Wikipedia en.wikipedia.org/wiki/M2_BrowningPrivate View The M2 machine gun or Browning .50 caliber machine gun (informally, "Ma Deuce" [10] [11]) is a heavy machine gun that was designed near the end of World War I by John Browning.While similar to Browning's M1919 Browning machine gun, which was chambered for the .30-06 cartridge, the M2 uses Browning's larger and more powerful .50 BMG (12.7 mm) cartridge.