In just a short time, hearing aid batteries could be replaced by a drop of methanol.
Danish scientists are working on replacing the existing batteries in hearing aids with easily rechargeable fuel cells which run on methanol.
”We have come further than we ever could have hoped when we started this project of designing methanol-based batteries which can replace the traditional zinc batteries in hearing aids today”. That is what Leif Højslet Christensen, head of the Danish Technological Institute, and head of the project, says.
Childhood music lessons may pay big dividends later in life by keeping the mind healthy. Older musicians perform better on tests of memory and other cognitive factors than peers who have never learned to play an instrument, according to a study by the American Psychological Association.
A new Better Hearing Institute study shows increased quality of life with hearing aid use
A new study by the Better Hearing Institute asked hearing aid owners to rate their hearing handicap reduction attributed to hearing aid usage as well as the impact of hearing aids on 14 quality of life factors. The key findings are as follows: