I was just wondering (with all the oil supposedly running out) how feasible is running our internal combusion engines on ethanol as apposed to say hydrogen? What are the advantages and disadvantages of each.
Seeing as ethanol would require a massive increase in the amount of farmland for...
OK yeah that helps heaps.
I was just wondering though what is it that's significant about the lower frequencies that casue them to defract around said buildings and objects?
Hey guys i was just doing a bit of poking around and i found this site. I was wondering if you lot could help me. You see i have to compare and contrast two types of similar communication. i chose AM/FM radio transmitions
I know some of the bare basics like:
They transmit by minipulating the...