Category: Science & Geeks

  • Mechanical elephant

    Mechanical elephant

    Andrew Chase designed a strange mechanical elephant. It works, it’s articulted. Weird! Source: Baekdal.com.

  • Test your color vision

    Test your color vision

    Are you colour-blind like 5% of European male population? This is the question that will receive an answer here. You will even know the exact form of colour-blindness is yours when browsing to test your colour vision. You will have to check little images like the one here and indicate what you see (not everybody…

  • Wallpapers: Quality photos

    It is always more pleasant to work with a nice wall paper on your PC (or Mac) desktop. Here are two interesting source sof beautiful wallpapers based on photographic quality images: dozens of nature-oriented images (including some cartoons) on UsingMac.com; ligthning and storms (15 images). Downright spectacular.

  • PDF: Rape the protection

    This secret is almost public: PDF documents protected by a password (to prohibit cut-and-paste or print functions) are badly protected. As a matter of fact, there is even a fereeware utility program available for Windows whose only aim is to run around this protection. Freeware PDF Unlocker, even if it does not do much and…

  • Defragment like a God

    Defragmenting your hard disc drive may not be the latest fad, but it still is useful to improve the performance of a disc drive that’s been used for months or years and now looks more like a mouldy swiss cheese than a nice little techo-gadget. The solution: defragmenter your disc drive(s). Here are a few…

  • Collection of tutorials for Photoshop and GIMP

    I collected a long list of tutorials (mostly in English) on my other photo website: Tutorials for Photoshop and The GIMP.

  • PHP changes

    This is what I told myself when uncovering a little PHP code fragment that stopped working on one of my web sites. So, this is a reminder for those of you inattentive programmers like me: $DOCUMENT_ROOT = $HTTP_SERVER_VARS[‘DOCUMENT_ROOT’]; is deprecated and works no longer. You must now use the newest form: $DOCUMENT_ROOT = $_SERVER[‘DOCUMENT_ROOT’];. Be…

  • Multicolor image search

    Multicolor image search

    I am quite found of any tool that allow to search inside the contents of images on the web. One such tool is Multicolr Search Lab Flickr set. I really like it because it is able to look for images based on their colors. But not only that. Today they include a lot more images…

  • Surprise! You can find color in B&W photos

    Surprise! You can find color in B&W photos

    This is easy to reduce a color photo to a B&W image (any photo software or any B&W photocopier can do it). But the reverse operation seems difficult at best, impossible in most cases. However, a team of French scientists from the French INRIA (Guillaume Charpiat, Matthias Hofmann et Bernhard Schölkopf) presented recently an algorithm…