January 26, 1875, George F. Green of Kalamazoo, Michigan, patented the electric dental drill for sawing, filing, dressing and polishing teeth, described as an “electromagnetic dental tool” on patent #159,028.
January 21, 1954, the first nuclear submarine, the U.S.S. Nautilus, was launched at Groton, Connecticut. It was commissioned later in the year, on 30 Sep.
January 19, 1904, Thomas A. Edison was issued a patent for an” Electrical Automobile” (No. 750,102) designed with a driving motor that may be conveniently.
January 15, 1969, the first docking of two manned spacecraft took place between the Soviet Soyuz 4 and Soyuz 5. The spacecraft formed what was.
January 14, 2005, the Huygens space probe landed on Titan, Saturn’s largest moon. The combined Cassini–Huygens spacecraft was launched from Earth on October 15, 1997..