Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
gchucky
on Nov 11, 2011
|
parent
|
context
|
favorite
| on:
"I would dial the 300 baud dial-up number, and scr...
It has to do with how hearing degrades as a person ages. Some places use this to their advantage and install devices that emit high pitches so as to stop teenagers from loitering there. I know the Ikea in Brooklyn has it, for example.
sneak
on Nov 12, 2011
[–]
Problem is, as I aged, all the CRTs disappeared. So which is it?!@!1!?
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: