Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
dreamcompiler
28 days ago
|
parent
|
context
|
favorite
| on:
AM radio law opposed by tech and auto industries i...
AM receivers can be so simple they don't even require a battery.
https://en.m.wikipedia.org/wiki/Crystal_radio
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
https://en.m.wikipedia.org/wiki/Crystal_radio