Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
taneq
on July 29, 2019
|
parent
|
context
|
favorite
| on:
Drones will fly for days with new photovoltaic eng...
The furnace burns at over 900C but the superheated steam (which is your ‘hot’ temperature for your heat engine) is only at ~400C, you might lose some power output but you won’t be losing efficiency.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: