Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
goldenkey
on Jan 15, 2022
|
parent
|
context
|
favorite
| on:
GravityLight – Light from the Lift of a Weight
That man is incredibly skilled. I did not even know a battery rebuild was possible. Thank you for sharing the video.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
