Technology opinions and digital photography
-
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
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…
-
Server maintenance
Over the next two days, the web site may see some perturbation. We are changing the server in order to avoid a possible risk of disk failure and to bring some needed additional performance. We will try our best to ensure that this will be as invisible as possible, buy I apologize in advance for…
-
Manufacturing color crayons
In our series of videos about how things are manufactured, here comes a colorful one: Crayons.
-
Computer games before marketing
Many years ago, computer video games was already requiring advertising, but there was only a skeleton of marketing. Advertising costs were probably much lower than what today’s blockbusters budgets reach: A mere list of prices.
-
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?
-
Perspective on global warming
I like to see it summarized in a wider scope on the following graph: What do you not see? Via: ScienceBlogs.
-
Manufacturing playing cards
Chinese workers making decks of cards. They are quick! However, I wonder how long they can sustain such a rhythm. YouTube link
-
Cold? Really?
If you think that this Winter’s cold wave is really tough, you’d better think again. People living in parts of Russia welcome -20°C as the comeback of Spring… when it comes after -50°C. (images credit: Evgeny Bugaev) (images by V. Makushkin, via)
Copyright (C) 1999-2025 Yves Roumazeilles – All rights reserved