Challenge

[Nevin Freeman]

Here's a design challenge: Find a way to make earplugs that keep out sound but don't cause itchy ears when worn all night long.

Nevin

[Zac Rubenson]

Well let's get this design exercise rolling!

First question: what do you think causes itchy ears when worn all night?

I'd be willing to bet this is 20% design and 80% material selection.

On Mon, Apr 2, 2012 at 4:39 PM, Nevin Freeman <nevin....@gmail.com> wrote:

Here's a design challenge: Find a way to make earplugs that keep out sound but don't cause itchy ears when worn all night long.

Nevin

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