Category: Sciences

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…

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

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

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…

The mimic octopus

This is an extremely weird octopus which -like many other octopuses- is able to change its skin color. It does it much better than usual, but its real prowess is its ability to change its body form to simulate or mimic the appearance of other aquatic animals. Absolutely astonishing. YouTube link