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yep lol.. it's a 'define'... a toast to the gayness of the new hsc that immediately tells u if it's gonna be a high-order question or not >.< but geez... what's the chance that there will be a question "define diffraction" (????) lol... its' prolli gonna come up now i've said this.

lol sorry inasero. don't use roland smith.. its a crappy crappy picture. =P i dont' have a scanner.. but if u want i'll put up like a paintbrush pic (=P) later.. after phys prolli.. cuz then i'll have more time.

you have to know how solar cells and photovoltaic devices work.. it's a separate dp. (and u don't have to know how chips/transistors work.. u have to know how they impact society lol....)

electrons have four quantum numbers that describe what state they're in - the principle number, the magnetic number.. ah crap i can't remember.. there's another one. anyhoo. before pauli, there were 3. But then Pauli came along and introduced a fourth quantum number 's' which is associated...

BOOOOOOO........ no fair >.<

the purplish hue notes has a very concise definition, but i think antisocial's covered it pretty much =)

the radiation ionises the air molecules. the alcohol vapour then condenses around these molecules as visible droplets so u can see the path of the radiation.

hey how come u get custom status???? grr

it's generally how during the 40s/50s there was a huge expansion in telephone networks, but they were all using vacuum tubes... and because of the flaws in such devices, (eg unreliability, heating, start-up time) the system was getting really intolerable, and also seriously limiting...

it was about nqe for chem olympiad (tho why it's in this section is beyond me).. but they have all the camps together now... like.. at the same place.. at the same time..

well.. outrageous for phys and chem anyway.. the bio ppl had their thing going lol... good luck guys... =)

we did it.. but i couldn't really see what was happening... but i know that there was liquid nitro involved.

there are two types of superconductors.. extremely pure metals but these have a very low critical temperature. (eg. Al has critical temp of like 1.2 K). Type 2 superconductors have critical temperatures that are higher.. eg. "YBCO" which has critical temp 90K. But these are ceramic compounds...

nah.. hsc's jus gettin a lot of bad press from the media cuz kids like us are gettin too stressed by the do-or-die system. they've just reintroduced a 'new hsc'. i seriously doubt anything substantial will happen to amend the system for a while yet.. (but there's hope.. lol) but like...

boo 2u ppl =P ick.. 3u eng... >.<

lincoln, king and havel =) i disagreed with the statement, arguing that they had lasting appeal.

what's the last bit mean? less than/equal to four and greater than equal to four?

lol dw bout inasero... ^^* how do u make a pringles carton into a parabolic reflector?? aren't parabolic reflectors like car headlights? (hm... did u shove alfoil into it?)

nothing.. i've been thru the first three topics and a bit of the option... i'll continue and finsih off the option and revise the first topics then do past papers after maths. nothing before maths. =P

yeh dat's bout it. there used to be a whole section on it but they cut it down, so they cant ask us too much on one dot point... (right:???) oh well.