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Im not too clear on why AC was chosen to transmit electricity trough power lines instead of DC. I know that AC alternates back and forth 50 times a sec but wont that alternation cause greater power loss than if it just travel direct (DC) ?? Any one know why ?

Alrite im a bit dis-oriented with trying to fully understand superconductors. Which one is correct ? 1.Will a metal reject mag fields just by being cooled down to its critical temp (superconductor) ? 2.Or in order to reject a mag field will a metal need to be cooled down to a...

Ive noticed alot of girls do chem, almost equal to the number of guys that do it (BOS stats). So why chem, what do u girls like about it ?

Do u guys know where i can get the 4 Unit paper u guys just did ? I wanna check it out but every 1 i know does 3 Unit.

Poll ure thoughts ! My Fav to Least Fav is : -Age Of Silicon (Fav) -Motors & Generators -Space -From Ideas to Implementation (Least Fav)

Alrite any one gotta anything to say bout AOS ? Im doing AOS but school dosn't have the required resources to play with amp circuts so i run a comp simulation and it works great. Does anyone actually have the resources at thier school to test out the amp circuts ?

If any body out there needs last minute live IPT help u can reach me on ICQ, number is 68059857. Good Luck tommorow Guys !! :)

Got my trials results back, i do: Physics, 3u Maths, English stnd, SDD, Chamistry Topped all subjects except Chemistry, I went thru the entire 2 years of the chemistry course without learning a thing, my trial result for chem was a fail while everything else was above 80 (exception of...

If any one got any complicated probs or questions about SDD, drop a message here, be glad to help. Already topping this subject.