Electric power is no panacea, may cost more in the end!?

We still need energy to produce the Electricity and burn fossil fuel to do it. We now incure "Brown-outs" during the summer when people run their Air conditioners and overload the grids. What is going to happen to the supply… Continue Reading

How much CO2 is reduced by solar panels compared to how much CO2 is required to manufacture them?

I was reading an article that stipulated that much of the CO2 issues purported to be reduced were practically negligible when compared to how much CO2 was expelled in their manufacturing. The idea was that many of the attributes of… 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