Portable Network Graphics (PNG) is a common and established image standard that is widely supported in applications that view images, including Internet Explorer. 5 adds support for Microsoft Word 97 and Excel 97, Lotus 1-2-3 97, Freelance 97, and Portable Network Graphics (PNG) files.
The chambered nautilus, Nautilus pompilius also called pearly nautilus, is the best-known species of nautilus.The shell, when cut away, reveals a lining of lustrous nacre and displays a nearly perfect equiangular spiral, although it is not a golden spiral.he eyes of the chambered nautilus are more primitive than those of some other cephalopods; the eye has no lens and thus is comparable to a pinhole camera.
USS Nautilus (SS-168) For other ships with the same name, see USS Nautilus and Ships named Nautilus. USS Nautilus (SF-9/SS-168), a Narwhal-class submarine and one of the V-boats, was the third ship of the United States Navy to bear the name. She was originally named and designated V-6 (SF-9), but was redesignated and given hull classification symbol SC-2 on 11 February 1925.