HELP NOW!!!!!!!!!!!!!!!!!!!!!1
Posted: Wed Dec 10, 2008 4:38 pm
i need 2 kno were i can find a project on headphones for example wut am supposed 2 be doing wut headphone blocks the otter sound better cheaper or expensive???
hi,
Try looking at this project on threshold of hearing:
https://www.sciencebuddies.org/science- ... 4&from=TSW
Barrett Tomlinson