Using computers to do science is a great way to get young people hooked on the enterprise, and mobile apps and other devices make this easier than ever. The Macs in Chemistry site features dozens of applications that will help users learn about chemistry (and more) through interactive activities, quizzes, and so on. In the At a Glance area, visitors can learn about the tutorials archived here,...

With its elegant and simple design, MagiCal 1.09 is at once both a menu-based clock and a calendar. As the permutations it affords for displaying how time and date are displayed range in the thousands, visitors can tinker with this application to their heart's content. This version is compatible with all computers running Max OS X 10.3.

If you have grown weary of a cluttered landscape of bookmarks you may want to give Neater Bookmarks your kind attention. The extension has a clean, crisp look and features a search engine along with a feature that remembers the last opened folders and scroll position. Also, it comes with several keyboard shortcuts that are quite helpful. This version is compatible with all operating systems...

Night vision can be a very helpful thing, and it can be quite useful when working on a computer. This tiny application helps Mac users switch their computers to night vision mode, and it contains a few bonus features. These features include the ability to toggle the window shadow and proper color correction, effectively preserving distinctive blues and piercing reds. This version is compatible...

For those with scanned documents that would be more useful in editable form, Online OCR offers a free, high-quality solution. Users can simply upload an image (JPG, JPEG, BMP, TIFF, GIF, and non-editable PDF are all accepted), then choose the language and preferred output format. At the free level, the service will convert 14 images per hour, but those who are satisfied with the service and...

Earthquake updates, a virtual aquarium, and a ninja maze are but a few of the hundreds of widgets that users of the popular Opera browser can find on this site. First-time visitors to the site can search the "Editor's Picks", or just browse around through the wide, wide world of these add-ons which have been created by various free spirits and other more stolid corporate entities. For those who...

Are you looking for a blank wall? This online application can give you that blank wall for your own personal entertainment, edification, and general bemusement. Padlet offers visitors the opportunity to drag and drop just about anything onto a virtual wall, and share that wall with others while additions, deletions, or changes are tracked in real-time. Additionally, users can embed their wall on a...

Though some may feel a bit suspect about opening a "Pandora" anything, never fear with this helpful application. This tool allows users an effective way to attempt recovery of permanently deleted files. In brief, the tool actually has the ability to recover files permanently deleted from the recycle bin and so on. Visitors can also view all of the deleted files that are recovered, and they can...

This image editor is one of the better ones available, and it is designed to be used by everyone from amateur shutterbugs to seasoned professionals. This editor supports eleven image formats, image alignment, color adjust, image dimension manipulation, and more. This particular version is compatible with computers running Windows XP and newer.

The PeerBlock application allows users to control who their computer communicates with while connected to the Internet. After a quick installation, users can establish lists of computers they wish to block, and essentially, it blocks unwanted IP addresses. Visitors will note that there is an FAQ area on this site, along with a selection of screenshots. This version is compatible with computers...