Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
KMag
on Jan 26, 2021
|
parent
|
context
|
favorite
| on:
Myopia treatment 'smart glasses' from Japan to be ...
Don't forget sound perception, which is one big reason we measure loudness in decibels.
azernik
on Jan 28, 2021
[–]
I said "hearing" :-P
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
