I do not own Avatar : The last airbender

Just a little explanation when something is written in italics it's somebody's thoughts about the universe think the standard one a few years in the future, Azula is sane now and Sokka and Suki parted ways on friendly terms

Gold

Copper: easily available easy to mold historically the first metal used by mankind may be the best metal to start the experiment.

After the war Sokka was a changed man, it was expected of him to become the next chief and guide his people according to the ancient customs and he'd eventually do it but, he'd already traversed the world two times he had seen it all, it was not enough they were only quick glances taken while running from the Fire Nation.

So following that thought he wanted to travel a bit again, test a few theories with the Mechanist and when he found out that the inventor was offered a position to teach at Ba Sing Se University Sokka happily tagged along, enrolling with a scholarship given for service above and beyond the call of duty in the service of the Avatar.

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-Sokka, I'm excited about you trying to obtain an academic title what will be the subject of your study?

-I'm thinking lightning, both a scientific enigma and cool phenomenon.

-I feel you're on to something great Sokka, data gathering is going to be a little slow what with lightning not being one of the most common phenomena I mean the odds of an particular object you are studying being hit by lightning are pretty low.

-Unless the particular object pissed of the Fire Nation, you know because they have lightningbenders.. hey I might on to something here..

Iron: again easily available not as easily deformed as copper good for constructing standard equipement during the experiment.

Why was I here again, o yes easily available and most importantly friendly fire/lightning bender…

-So Sokka I understand that you wish to learn about lightning, would you like a coup of tea.

-Sure, General Iroh ..o yea and tea must not forget the tea..

-The basic principle is that within the body you most separate the ying from……bla bla bla mystical mambo jambo…bla…more tea?

-Yes please

- Now the current..abracadabra..the hearth..I can't help you..more tea..

-What!?

-Sokka I've always dreamed of retirement with a little teashop now are you going to deny the former Firebending Scourge of the Earth Kingdom Army his dream ?

-No sir!

-Good maybe my nephew can help…you know the one who rules the only firebending nation, your ally, Sokka you might be good at thinking on your feet but being born in the Southern Water Tribe, which has no terrain for growing tea and they don't even put much of an effort into imports, has severely lowered your potential

-Oh and Sokka one last thing you know how in that game you kids, play earth beats fire, well metal has no protection against lightning.

Silver: availability hampered by high price , the precious metals might have unusual proprieties when hit by lightning

So if I might want to channel lightning metals with its lowered resistance might be the key

-Sokka I owe you and the rest of the Gaang..did he just snicker that was one of my best non-sarcastic humor we shall see who shall have the last snicker Firelord Zuzu….and thus ensuring the continued peace for not only the Fire why are you snickering?

-Hmm , well as I was explaining lightning is the pinnacle of firebending the number of users was already limitedbefore uncle refused you and father, well you know,.. well there would be her but we got over our grudges in prison so I'm not going to feed you to the hawk-lionnes… look if you find someone to help you I'll provide you with a free gift coupon for a favor from the firelord.

-Are you trying to surpass the master of meat and sarcasm Zuzu?

-Well government will do that to you.

Gold: price even higher than silver properties..?

Well I don't really know too much I was always more interested in the more practical weapon-worthy metals I know that some women wear jewelry but not even much from that angle ,mom used bone for her jewelry, Toph probably had but won't be caught dead wearing it, Suki was a warrior true and true she probably found it useless her battle condition body didn't need such enhances, Yue sure had the wealth and status for it her face, her everything projected an aura of beauty which again didn't need enhancement , actually that was something he liked about both of them natural beauty he heard that some girls painted their lips red, a war against fire had left him with a little bit of anxiety towards red, fire, golden eyes and such…

hmm red, fire , body ,fire ,golden, lips..

-O for the name of Aang not her, anybody but her !!