The Mineral Gallery is a must-see for every wannabee geologist. Every mineral is listed with a picture and its main characteristics.
Did you know that heliodor is the yellow variant of beryl ?
Here's the world map of nuclear power plants, with clickable maps leading to more details about the different reactors out there.
MathWorld is an extensive site by Wolfram (the creators of the famous Mathematica software) where you can read about all math stuff you've probably never wanted to find out.
For the math geek : Aleksandrov-Cech Cohomology, the Josephus Problem or the Phasor are some of the interesting examples explained on this site.
Want to know which technology scares me the most ? AI combined with nanotechnology. Here's an interview with professor Vernor Vinge, a pioneer in artificial intelligence, who's claiming we'll be getting near the Technological Singularity near 2020, which indicates the point where man-made machines will be more intelligent than man.
Bill Joy, the former Sun executive, warned in 2000 with his Why the future doesn't need us, an essay with some somber thoughts about how our most powerful 21st-century technologies - robotics, genetic engineering, and nanotech - are threatening to make humans an endangered species.
What happens inside a cell ? Why is a white blood cell rolling slowly over a blood vein wall, where red blood cells are moving at high speed ? All your questions answered in this educational video The inner life of the cell !
Op 20 mei organiseert Solvay een public event in het Auditorium 2000 op de Heysel met als sprekers de befaamde Stephen Hawking (The Origin of the Universe) en Harold Kroto (Architecture in Nanospace). Ingang is gratis, maar je dient je wel op voorhand in te schrijven, gezien het beperkte aantal plaatsen.
Take any number from 1 to 9999; what's so special about the number you picked ? Stetson.edu lists almost every number with its unique characteristic. And even you can interact : if you know something special about a number not listed, feel free to mail the author.
Here's a link to some free mathematical books ranging from algebra to cryptography, and the list keeps on growing.
Matt Keveney has put up a page with some animations how different types of engines work.
Enter the world of flame fractals. Here's enough wallpaper to last for a century. Want do make your own ? Download Xaos, available for Windows and Linux.