Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
nihzm
18 days ago
|
parent
|
context
|
favorite
| on:
Making a rickroll laser: A parametric speaker
As far as I understand yes, I would also guess that it is analogous to a phased array antenna, but with sound waves
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: