• Thumbnail for 4.2 cm Pak 41
    The 4.2 cm Pak 41 (Panzerabwehrkanone —"anti-tank gun") was a light anti-tank gun issued to German airborne units in World War II. This gun was externally...
    4 KB (276 words) - 15:25, 20 October 2023
  • Thumbnail for Carbon nanotube
    43 nm in diameter. Researchers suggested that it can be either (5,1) or (4,2) SWCNT, but the exact type of the carbon nanotube remains questionable. (3...
    172 KB (18,677 words) - 12:12, 24 September 2024
  • 2012). Found in Svan population from Caucasus (Georgia) T* 10,4% and T1 4,2%. T1a1a1 is particularly common in countries with high levels of Y-haplogroup...
    59 KB (5,544 words) - 02:09, 4 September 2024