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When I watched SAO for the second time, I started to wonder: how does Nerve
Gear work?

In SAO, you have all five senses with you, and also when you use the Nerve
Gear, you close your eyes. So, how is it possible for the nerve gear to do all
this?

Lastly, how does Nerve Gear kill someone?


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2016-06-19T12:54:13.327
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2017-07-06T08:08:18.563
2016-06-19T20:50:15.377
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question
sword-art-online
How does Nerve Gear work?


> In SAO, you have all five senses with you and also when you use the nerve
> gear, you close your eyes so how is it possible for the nerve gear to do all
> this?

It connects to your brain, transmitting signals of what you do in the virtual
world. You close your eyes because nerve gear transmits visual data too.

[![Source from manga vol
1](https://i.stack.imgur.com/FA9N8.png)](https://i.stack.imgur.com/FA9N8.png)

> NerveGear not only simulates sight and sound, it also simulates taste, smell
> and even touch. In other words, it can completely immerse players in a
> virtual world. However, its true potential lies within the fact that it
> doesn't just send virtual sensations to the user. It intercepts and
> manipulates the signals sent by the user's brain.

[![Another source from manga vol
1](https://i.stack.imgur.com/KwRs2.png)](https://i.stack.imgur.com/KwRs2.png)

> When using NerveGear, all the signals sent by the brain are blocked an
> processed so that they only affect the avatar in the virtual world. This
> immobilizes the user's physical body. So there's no risk of running into
> walls in the real world while playing in the virtual one.
>
> NerveGear only has one method of input. It is shaped like a helmet that
> covers most of the user's face. Inside, millions of signal units generate
> electromagnetic waves to stimulate out brains.
>
> Nothing the user "sees" and "hears" in the virtual world actually comes from
> our eyes and ears. Everything is manipulated directly in the respective
> parts of our brain used to process each of the five senses.

* * *

> Lastly, how does a nerve gear kill someone?

It uses electromagnetic waves to "fry" your brain.

[![Source from manga, vol
2](https://i.stack.imgur.com/LVmvI.png)](https://i.stack.imgur.com/LVmvI.png)

> If these things are attempted, the signal sensors in your nerve gears will
> emit a **strong electromagnetic pulse**...
>
> Destroying your brain and stopping all of your basic bodily functions -
> basically, **instant death**.


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2016-06-19T13:43:47.913
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answer


the nerve gear sends fake signals to the brain at a frequency unique the brain
frequency. then the nerve gear produces artificial waves to stimulate brain to
provide artificial senses as said in sword art online. then the nerve gear
sends a "paralyzing" agent to immobilize the body as to not cause harm to the
player. finally the nerve gear sends more waves to put you into a sleep like
trance and projects your brain waves on a public database and there you have
it sword art online.


CC BY-SA 3.0
2017-03-17T20:41:53.050
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answer


the way the nerve gear kills you is by overloading the brain with artificial
waves and then disconnecting from the brain simultaneously leaving the brain
no time to react therefore overloading the brain and frying it


CC BY-SA 3.0
2017-03-17T20:45:11.233
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answer