Javascript is not enabled. This site can still works but it'll be more interactive when javascript is enabled.
loading...
Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
frereubu
8 hours ago
|
on: Škoda DuoBell: A bicycle bell that penetrates noise-cancelling headphones
"Not a simple problem to solve" feels like a bit of an understatement.
reply
Hacker News new | past | comments | ask | show | jobs | submit