Category: Sciences

  • Space and tennis collide in Roland Garros

    30 years ago, on May 28, 1983, in the middle of a tennis match between John McEnroe and Drew Gitlin, the public suddenly started to applaud with no apparent reason. The first US space shuttle, Enterprise, was flying over the Roland Garros stadium during an in-flight demonstration for the Bourget air show. Even McEnroe did…

  • Sex ed – 2 conflicting options

    I am unsure which one is the best approach to teenager sex education… YouTube link YouTube link from Miss Lovecraft

  • The fall of gelatin

    The shock of gelatin falling onto a hard surface. Filmed in slow motion. YouTube link

  • Free electron

    The other day, I was talking with Frank about exceptional software programmers able to influence notably a whole company by their own activity or impossibly better than the rest of the programming crowd. This person is the one you need to hire when you have an exceptional entrepreneurial project or the one you want to…

  • Zoom into the surface

    Just at the surface of a 3D fractal volume, happen very astonishing things. Surface detail from subBlue on Vimeo.

  • Kermit, it’s the end

    You know that you’re a computer dinosaur when you discover that a computer program you started with is reaching its end-of-life after… 30 years. The Kermit Project is canceled, effective 1 July 2011. I think that I actually started using Kermit on a Vax 11/780 computer from Digital Equipment Corporation to exchange data between various…

  • 3 Berkeley Lab radiation experts about Fukushima

    This is an exceptionally precise and understandable presentation of the knowledge amassed about the Fukushima dramatic events since 11th March 2011. On April 17, 2011, Robert Budnitz, Ed Morse and Tom McKone discussed Japan’s nuclear crisis. I recommend their comments (including the web sites they list in the end of the presentation). YouTube link Listed…

  • 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.

  • 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…