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Did you realize that these sci-fi-technologies already exist as prototypes?
Cyborgs* arms
http://gizmodo.com/darpas-mind-controlled-arm-will-make-you-wish-you-were-1776130193
* eyes
http://www.secondsight.com/
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electronic transfer of primitive thoughts from brain to brain
http://www.livescience.com/47708-human-brain-link-sends-thoughts.html
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3D-bioprinting of skin and inner organs
Need a new patch of skin? We'll print you one, tailor-made for your wound.
http://www.nature.com/nbt/journal/v32/n8/full/nbt.2958.html
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Weapons
* rail-guns
http://www.onr.navy.mil/media-center/fact-sheets/electromagnetic-railgun.aspx
* lasers
https://en.wikipedia.org/wiki/Laser_Weapon_System
* war-robots
Well, we've got drones... and AI that can beat humans in tactical games like chess and Go.
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strength-amplifying exoskeletton
http://www.businessinsider.com/daewoo-robotic-exoskeletons-2014-8?IR=T
We're getting there, Ripley.
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