Technology opinions and digital photography

  • Grey partridge

    Grey partridge

    Grey partridge (Perdix perdix), perdrix grise.

  • Vexin français

    Vexin français

    Click on the thumbnails to enlarge them. Vexin français.

  • USSR science in pictures

    USSR science in pictures

    I discovered (thanks to BoingBoing) a superb Russian blog which shows copies of scientific documents dating back to the era of communist Russia. scienceillustration.mypage.ru : A little bit of nostalgia for “communist science” (and sometimes for the Western science seen by USSR) with beautiful pictures and illustrations.

  • Dandelion

    Dandelion

    Photo safari in Vexin Français. Dandelion is always a nice view. I shot this one while looking for hares and partridges in the Vexin Français (about 50-100km North West of Paris, France). The insect did not stay long, but the sun was lighting it for me.

  • Deepwater Horizon: Ashamed? Oh no!

    Deepwater Horizon: Ashamed? Oh no!

    You may not remember the name of Transocean Ltd. But you remember the fate of one of their properties: They owned the Deepwater Horizon oil rig when it exploded in the Gulf of Mexico last year. The presidential commission that investigated the accident concluded that BP, Haliburton and Transocean where guilty of taking too many…

  • 1 year ago, BP should have had this computer

    1 year ago, BP should have had this computer

    As a matter of fact, many years ago, Texas Instruments was proud of the computation power of its portable calculators explaining how easy it was to check whether or not there was a risk of explosion from over-pressure in an oil rig. Precisely one year ago, BP should have followed this excellent advice and checked…

  • Rien de grave – Short movie

    What is nice with short movies is that there is no time for sleeping it out. Dramatisation has to be intense. “Rien de grave” with Jean Dujardin fits the definition. Since it is in French, you will have to understand this language, though. YouTube link

  • Vertigo for goats

    Vertigo for goats

    In our never-ending series about vertigo and where people don’t want to go (and go anyway), here is a case of where people cannot go without tools and where goats will go anyway.

  • Reliability of lead-free soldering

    Reliability of lead-free soldering

    For those of you who asked for more details about the reliability of lead-free soldering (see the end of my previous titled “Manufacturing of electronic boards“, I have found an interesting and useful analysis from Numonyx (now Micron Semiconductors). Lead-free and leaded package soldering compatibility – Backward and forward compatibility This white paper explores the…


Copyright (C) 1999-2025 Yves Roumazeilles – All rights reserved