Month: June 2010

  • Inside a 4-stroke piston engine

    You certainly know the basic principles of the operation of a 4-stroke engine with its different phases: piston going down to suck gas and air in piston going up to compress the mixture piston going down pushed by the explosion piston going up to push burnt gas out of the cylinder Let’s admire the actual…

  • Botswana, tree

    Botswana, tree

    Click on the thumbnail to enlarge it. Botswana, Moremi National Park, May 2010.

  • Bateleur Eagles from Botswana

    Bateleur Eagles from Botswana

    The bateleurs are very beautiful eagles that are quite common in Botswana. As you can see on the photos, they are quite recognizable from the red color of their head and their feet in striking opposition to the black feathers (at least for the adults). Not easily frightened, they are relatively easy to approach and…

  • Eagles from Botswana

    Eagles from Botswana

    A very common African eagle: Wahlberg’s eagle (Hieraaetus wahlbergi), Aigle de Wahlberg Moremi National Park, Botswana. May 2010.

  • 24 heures du Mans

    24 heures du Mans

  • Create your own PDF files for free

    Thanks to Print2pdf from Software 602, a free PDF production utility, you will be able to master nearly everything you wanted to do when creating a PDF file without asking Adobe for their expensive software solution. YouTube link There are other tools for this, but Print2PDF allows both production on your Windows PC and on-line.…

  • Practice session – 24 heures du Mans 2010

    Practice session – 24 heures du Mans 2010

    Yesterday, I was in Le Mans (France) to assist to the official practice session of this most famous endurance car race: les 24 heures du Mans. This was an obvious reason to bring along a photo camera in order to click the shutter onto this colorful and very active show. It’s technically very demanding for…

  • Red-billed hornbill

    Red-billed hornbill

    Red-billed hornbill (Tockus erythrorhynchus), Calao à bec rouge Botswana, Moremi National Park. May 2010.

  • Burchell’s Glossy starling

    Burchell’s Glossy starling

    Burchell’s Glossy starling (Lamprotornis australis), Choucador de Burchell Botswana, Moremi, 2010.