Modern man prefers a computers and keyboard instead of old-fashioned a pen on set the different reasons. One of them is the system spelling checker, which are built into word processing and Internet browsers.
A enthusiasts from Germany decided to fight illiteracy in an interesting way. They develop a pen that will vibrate if you write the wrong word. The device Lernstift, runs on Linux and at the time will support literacy users, speaking on English and German. However, according to the creators, they’re going to increase the number of supported languages.
Lernstift device is relatively compact and quite comfortable fountain pen, equipped with a built-in power cell – battery, which powers an ultra-compact computer, running on the kernel Linux. Non-optical motion sensor helps a microcomputer ensure, which letters the user writes, and if make an error,immediately served signal with the built-shakers. In addition to literacy, Lernstift helps the user to improve his handwriting, there is a so-called calligraphic mode.