here’s a good question why wont americans get off this fossil fuel crap and star using real efficient energy?

i mean we all know at least i hope we do and if u didn’t u will now that solar,wind,tidal and wave energy is available and it can power most of the world easily better yet how about Geothermal energy… Continue Reading

the bigest theart to coal miners yet it must be stop?

how are we going to rip guys off when can get almost free power. 100 square miles of hydro solar would do it and add in following no coal mines no co2 no coal ash no Mercury it almost free… Continue Reading

What is one alternative energy technology that you would like to see become more widespread?

I know we have a lot of alternative energy skeptics in here, but the reality is that point-source energy production using a wide array of energy technologies will be the way of the future. Large scale wind and solar operations… Continue Reading

What is the biggest limitation to interstellar space travel with current technology?

I understand that it is not ‘practical’; that is not what I am asking. I understand the sheer distance and time frame involved. I also understand it is possible to launch things outside of our solar system. Is it the… Continue Reading

a solar plant that can make 280 megwats for tucson phoneix? why are we not building more of theses?

100 square miles of hydro solar would power good chunk of usa. and add in following no coal mines no co2 no coal ash no Mercury it almost free and sun goes out i think we will have bigger problems… Continue Reading

what do u think? plz?

For yr 11 2a/2b english we have been assigned to write an original essay on any topic. I have chosen oil reserves and the effects it has on the economy but am stumped. Can you guys give me your opinions… Continue Reading

With the nuclear issues in Japan, where are we with nuclear fusion technology as an alternative to fission?

The horrible events in Japan raise an important question. Nuclear fission power has many risks, waste by-products being a big one, not to mention instability in processing, risks of explosion, etc. Nuclear fusion technology is less unstable (potentially) and doesn’t… Continue Reading

homework question in astronomy?

The total annual U.S. energy consumption is about joules. What is the average power requirement for the United States, in watts? (Hint: 1 = 1 ) With current technologies and solar collectors on the ground, the best we can hope… Continue Reading

Question about Astronomy?

The total annual U.S. energy consumption is about joules. What is the average power requirement for the United States, in watts? (Hint: 1 = 1 ) With current technologies and solar collectors on the ground, the best we can hope… Continue Reading