Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
chrismealy
on March 13, 2017
|
parent
|
context
|
favorite
| on:
How should our kids play at recess? Alameda school...
Don't have citations handy, but the first generation of playground equipment actually was incredibly lethal (1930-1940s).
Join us for
AI Startup School
this June 16-17 in San Francisco!
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
