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Communicating hearing loss information to young children effectiveness of lecture and printed materials.

Developing positive attitudes and behaviors toward hearing loss prevention is more effective the earlier it begins. This study evaluated two training techniques for educating young children about noise and hearing loss. Third grade students from seven Pennsylvania elementary schools received either no intervention between the pre-tests and post-tests, a lecture about hearing loss, or an informational bookmark along with the same lecture. A 10 item quiz was administered as a pre-test and post-test to assess changes in knowledge. Scores on the quiz improved the most for the lecture intervention groups regardless of whether they received the bookmark. Adding the bookmark did not have a significant effect on knowledge gain. The findings reinforce the value of providing an educational foundation along with communication products.

Child↗

Development of a finger printing device for use on a mobile robot.

In this paper, we describe the development of a device for fuming fingerprints with cyanoacrylate (Super Glue) to enable police tactical units to obtain fingerprint evidence from suspicious packages using a remote-controlled robot. Through a series of initial experiments and preliminary designs, we show that effective cyanoacylate fuming requires sufficient heat, humidity, and airflow. This work led to the development of a final working prototype, called robot accessory for fuming fingerprint evidence (RAFFE), which is currently being field tested by the Calgary Police Service.

Cyanoacrylates↗