You Can Hear Light – Part II

Hearing light – Demonstrations of auditory sensitivity, Part II This is a continuation of “Can You Hear Light?” from last week’s post by Dr. Manfred Euler, Leibniz-Institute for Science and Mathematics Education (IPN), Kiel. Signal amplification via resonance The amplification process is based on the resonance of the air-filled cavity equipped with an opening to…

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Hearing Aid Evolution: IV

Hearing Aid Evolution: Part IV Technology and Techniques – A Hurried Ride Through History An overview of approaches that have been used to select and fit hearing aids is the focus of this week’s post on this “ride through history” of the evolution of hearing aid technology and techniques. As with many other posts, detailed…

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