After a more thorough analysis, I believe that I have now a clear image of what happened to . It appears that a hacker introduced itself into our web site through an insecure WordPress plugin. The security defect has been corrected relatively quickly, but it left a wide open gap during a few days. The… Read More
Our computers have more and more USB ports, and we have so many storage drives plugged into them (USB drives, USB thumb drives, memory card readers, etc.) that it is somewhat difficult to recognize them all when they are displayed on the desktop. In the example below, you wonder which one is which among all… Read More
A few years ago I had written about Guillermo Luijk’s technique to remove completely noise from digital photos. We know that this is a difficult task, but his solution is relatively simple: Shot the scene in a correct exposure according to our usual workflow; Repeat the shot now reducing shutter speed by 4 f-stops that… Read More
It’s on January 12th, 1992 that, according to Arthur C. Clarke, was born HAL-9000, the computer from “2001, A space Odyssey” (the book from Arthur C. Clarke and the movie from Stanley Kubrick). Actually, the first time it was powered on. So, it is exactly 23-year old today. Happy birthday HAL-9000! HAL-9000 is an Artificial… Read More
Metal parts can be colored in the strangest ways. When we speak about aluminium, Apple is able to produce extraordinary hues on aluminium covers. As a matter of fact, they are using an anodization process which oxydizes the surface of the metal to create small pores to receive color pigmentation which will become nearly impossible… Read More
YouTube link Bravo à Philippe L.
Magnetic ferrous particules from the toner cartridge of a laser printer danse on the invisible lines of the magnetic field of a magnet. Compressed 01 from Kim Pimmel on Vimeo.
Remember! This was long before the text reading on the screen of your mobile phone. We were using books made out of… paper. I kid you not! Here is how they made books in this long-gone era: YouTube link
Here is a Dimension SST 1200es 3D printer on the job of building 2 interlocked cube frames out of production-grade thermoplastic. YouTube link
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… Read More
In our series of videos about how things are manufactured, here comes a colorful one: Crayons.
Color-blind people have all kinds of difficulties in the world we live in. One proposal has been made to ease their difficulties in a current situation and without any significant negative impact on the rest of the people. Who could oppose that? But why isn’t it around us already?
The manufacturing process for colored ink is a relatively complex one, but it is also an impressively nice one. YouTube link
A web site on which you will find a colorful collection of background pictures for your PC or your Mac: Imgur. Its only drawback is that you don’t know where the picture comes from, since they are uploaded by the users as they see them here or there.
It should be easy: Move my flat to Singapore, were it was build on top of a 55 level building. Then, I would have a private 150-meter long pool, seemingly set a few inches from the precipice. Source: DailyMail.
Roumazeilles.net just went through one of these moments I will easily remember! The visit count regularly climbs since the inception of the web site, but I just noticed something I’m pretty proud of: In the last year (more precisely, the last 365 days), this web site got more than one million visits as counted by… Read More
Kindle and iPad are two contenders trying to support the idea of reading on a technology gadget. It is said that this is actually as easy to read as real printed paper. So, Keith Peters tried a comparison of their displays using a microscope. The results are really impressive as you can see in Kindle… Read More