15:31, 5 December 2013Skatebikertalkcontribs uploaded a new version of File:PolarRoute.png (Updated countries wich blocked overflying western aircraft and included North Korea still blocking airspace.)
10:25, 26 December 2010Skatebikertalkcontribs uploaded File:Lightbulb-life.svg (Life expectancy of an incandescent ligh bulb. From an old Dutch book "ELECTRO TECHNIEK Krachtwerktuigen" issued by Æ E Kluwer, Deventer 1945. )
21:04, 18 January 2010Skatebikertalkcontribs uploaded File:Solar Eclipse 20090126 Trawangan.jpg (Picture of the 77% eclipsed Sun as seen from Gili Trawangan on Monday afternoon 26 Jan 2009.)
09:59, 8 February 2009Skatebikertalkcontribs uploaded File:CMa setting.jpg(An image of Canis Major as seen from an airplane. Note that in this position the dog is actually upright. At the moment of exposure the plane hovered above about 32 degrees north latitude (Pakistan).)
12:05, 7 February 2009Skatebikertalkcontribs uploaded File:Winter circle.jpg(Image of the winter constellations as visited from the tropics (Bali). The image is taken with a 10mm ultra wideangle lens on a Canon EOS 40 camera. All stars but Capella are on the image and Canopus as well (north is left).)