Category: Tech
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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…
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Manufacturing color crayons
In our series of videos about how things are manufactured, here comes a colorful one: Crayons.
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Traffic lights for color-blind people
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?
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How is print ink made? [video]
The manufacturing process for colored ink is a relatively complex one, but it is also an impressively nice one. YouTube link
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Colorful background pictures
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.
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I want a pool like that
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.
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Milestone: 11 years, 1 million visits in a year
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…
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Kindle, iPad and paper: A detail comparison
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…
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A really big disk drive
The IBM 350 disk storage unit, with a capacity of 5 MB, was really small. But you needed a forklift to move it around.