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

. Who showed that our universe is heliocentricthe planets of the solar system revolve around the sun?

. Who showed that our universe is heliocentricthe planets of the solar system revolve around the sun? 1. Who showed that our universe is heliocentricthe planets of the solar system revolve around the sun? (Points : 1) Nicolaus Copernicus Galileo… Continue Reading

Can you prove the heliocentric model of the solar system?

This question came up recently. There are always put downs towards christianity for not accepting this model because of the Bible and so forth. I just wanted to see if anyone can prove this without using modern technology (no spaceships… Continue Reading

PLEASE HELP MC QUESTION CHECKING ENVIROMENTAL SCIENCE?

can you help me by correcting my answers if i got them wrong. the ones with the stars are what i think the answer is PLEASE HELP 1. Water is distributed on Earth in which of the following locations? A.… Continue Reading