Tagged Questions
2
votes
2answers
194 views
Increase thermal efficiency of combustion engine by using heat of coolant/exhaust?
I can't be the only one who's ever thought of this, but obviously it hasn't caught on:
In terms of energy density, fossil fuels are the best thing around short of enriched uranium (and, flammability ...
1
vote
3answers
170 views
If humans were able to catch all sun energy reaching the earth for their use, will the climate change?
I guess that energy will be used up and, at the end, will contribute
to heat the earth, so I see no big differences...
please explain your point of view.
