Editing How to research lost technology ?

three contents

    1⃣ when lost technology happens ?
    2⃣ how we research lost technology ?
    3⃣ how we stop lost of technology ?

1⃣ when lost technology happens ?

    point:
    ① precious info sometimes become unvisible 
    ② if tech become high level, sometimes hard to explains
    ③ connection on neural network

[[File:Mechanism of lost technology.png|thumb]]


2⃣ how we research lost technology ?

    to research lost technology = to solve info blackhole

    ① to find where invisible info exist
    ② to research what kind of info inside
    ③ to research how they did that (  mechanism  )



3⃣ how we stop lost of technology ?


    ① easy to read text
    ② open study
    ③ not to concentrate on past oneself's Achievement 
        to find new Achievement = inprovement is important

    thanks