system
Given the following post, respond as if you're commenting on Reddit:
human
[MCU] If the engineers and scientists in Stark Industries have the full sized arc reactor with them, with all the technical specifications, plans, etc., aside from not being Tony Stark, what were the other reasons why they weren't able to replicate what Tony did in a cave with a bunch of scraps?
gpt
In 1800AD a man named Alessandro Volta invented the first battery. It was made by stacking pairs of copper and zinc disks separated by brine soaked cloth. It was revolutionary for the fact that it produced a stable, continuous current, and retained it's charged rather well when not being used. However, it didn't even produce a strong enough charge to create sparks. On top of that, Volta had a flawed understanding of how his own battery worked, assuming that the current was a result of two different materials coming into contact with one another. The true nature of the current was in the chemical reaction that was being produced.  
  
The full sized arc reactor is Volta's battery, flawed scientific theories included.  
  
Tony Stark's miniature reactor is a Lithium-Ion battery whose thickness is measured in millimeters, weighs less than a slice of bread, can fully power a handheld computer for half a day, can recover that charge in an hour, and can be recharged well over 300 times before losing it's efficiency.  
  
Stark's miniature arc reactor is so far ahead of the original, both in design and in supporting scientific theory, that the two simply can't be compared. Trying to recreate Stark's achievement by studying the full sized reactor would be like trying to build an Oculus Rift by studying a CRT TV. They are generations apart from each other.