Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
stefanix
on Nov 11, 2019
|
parent
|
context
|
favorite
| on:
Lithium-Sulfur Battery Project Aims to Double the ...
Sometimes. Speed of sound decreases with temperature. At any flight level above 300 speed of sound stays the same and the increases with altitude.
Scramblejams
on Nov 12, 2019
[–]
Good to know, thanks for the correction.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
