What's the most complicated human technology so far?

This is for you thinkers out there. Say you could live forever. And you had the exact plans on how to make a technological object. What object would take the longest to build? Remember, you would have to start from complete scratch. That means finding a rock, to mine other rocks, to make metal tools, to make more metal, to then form into everything else. I think an iPhone would be one of the hardest/ longest things to build. What do you think?

I don't know about technology but i think the most complicated THING are woman

I think computer/processor. But in future if we find out (saw) electron whole science will go rocks.& that will be great milestone in science.advanced gadgets like iphone they will kids toys.

  • Why is it so complicated to transfer you files from your computer to your iPhone? Seriously though. I've downloaded four different things to my computer and still haven't been able to do what I need to. Ridiculous. Why does Apple make it so difficult? Am I missing something?
  • Why is it so complicated to backup my iphone with icloud? It was suposedly backing up then when I went on my icloud account the only thing saved on there was my calendar events. Pictures and contacts were not saved despite being turned onto be backed up. This is getting annoying, now it is telling me it couldn't even complete the backup if I try to do it again. My last one was yesterday, I tried to do it again today and it won't go thru. This is frustrating!
  • Why is Apple and iTunes so complicated I've had my own Iphone for about two years now and its still under my moms account and debit card who also has an iPod. How can I change the e-mail.Apple ID.debit card info. And iTunes and my e-mail login for JUST my device? Is this posible I've been trying to figure it out for like a year.
  • Why are White People Considered Superior to the rest of the Human Race? I see nothing special special about them. Logic Explains Take 2 iphones. One Black and One White - Would you discriminate that iphone on the basis of hue and colour? No. Simple Logic = Racism Explained