Is Solar Power Good Business? – VOA Story

Climate change is now a popular topic. World leaders are discussing it this week at the G8 summit in Prague. And just last week in San Jose, California, high tech industry leaders gathered to give solar energy a boost. The… Continue Reading

I need help with this physics solar power question please?

I tried doing this problem, but it was tough, can anyone help me with this? thanks! At a certain location, the solar power per unit area reaching the Earth’s surface is 200 W/m^2, averaged over a 24-hour day. If you… Continue Reading