Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
ReptileMan
on Aug 1, 2023
|
parent
|
context
|
favorite
| on:
A room-temperature superconductor? New development...
Isn't majority of energy lost spent on pushing air away when we talk about high speed trains
recrof
on Aug 1, 2023
[–]
yes, but friction of the track is also a big factor.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: