Vernier constantly comes up with new applications for its sensors, which can be adapted to the NXT. In the above shot, an NXT is using Vernier's UV Sensor to determine which of several sunscreens offers the most UV protection. The
In the above shot, Vernier's magnetic field sensor finds a magnet hidden under a walnut shell. The
While Vernier's NXT sensor adapter is relatively inexpensive ($39), its sensors are not; hence, they are better suited for the classroom (or for those with a rich uncle).