Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
Laser scanner can detect someone watching you from a kilometer away
(
popsci.com
)
2 points
by
sdfjkl
on June 18, 2013
|
hide
|
past
|
favorite
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
