Who Was the REAL Captain Marvel?

Butler and Kratz (2008) remind us that, by definition, superheroes are larger than life, courageous, powerful, and seemingly able to overcome any obstacle with great physical prowess while doing great deeds at the same time. Young children, facing the challenges of learning many new skills, may often feel small, helpless, fearful, unable to accomplish what…

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The Road to the Vacuum Tube Hearing Aid

As we saw last week at Hearing international, the road to a working portable electric hearing instrument involved a series of inventions such as the telephone and the carbon microphone before Miller Reese Hutchinson put the parts together and presented the world with a working electronic hearing device.  Recall that the carbon microphone was invented in 1878 and by 1896…

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