Faraday Cage Electrostatic Shield
Ops!
Hello guys!
In today's video I will show the concept of electrostatic shielding
Also known as Faraday cage
I have here a copper ring
If we had two electrodes on this piece of wood
How we made those rays in the last video
If between these two electrodes I put a conductor
The rays would pass through his exterior
Never inside
Then, whatever the shape of the driver.
Provided there is an empty space in the interior
This interior region will be protected from electrical discharges
That is why the specialists and the firemen
tell us to stay in our cars during a lightening storm.
To protect ourselves
So I'll use this wire in vehicle format
To simulate a car
This aluminum foil will simulate the ground
I'll think of them with these claws.
And I will connect one of the transformer electrodes
here in this nail.
This nail will simulate our storm cloud
From where will the lightning.
And the lightning will try to come here
And our car will be in the middle of the road
So let's go.   I will impregnate this wood with ...
... a solution of water and sodium bicarbonate
And turn on
We finished applying the sodium bicarbonate solution
A little more per warranty
And now let's position our aluminum foil
That will simulate the terrain
Let's fasten it there with the claws
Let's connect one of the electrodes in the "cloud"
And the other electrode connected here on the ground
Let's put our "car" here
I should put him in contact with the ground.
But I'm going to leave it a little way away
so you can see the path of lightning
This piece of glass will be used
because I will need to press the wire car
against the wood
Because there is no perfect contact
between the wire and the wood
And this could hurt the experience
And you also have to press on the glass
The glass is so we could see the passage of the rays beneath it
I'll also tur on a fan.
Because this produces a lot of smoke
I'll press the glass
And I'll turn on the transformer.
So see.
the lightning coming out of the cloud
Toward a person who would be on the ground
But luckily this person is in the car
The spoke struck the outside of the vehicle ...
And see at the end that ...
... if the person was inside the car ...
... she would be protected, for no ray penetrated the interior
And note here that some rays have passed here
Going toward the ground
If people were inside the car they would be protected
What if the car was not there what would happen?
I will reapply the solution
And let's see what the ray trajectory would be
If the car was not there
Let's see if the car really protected
Let's see then what should be the path of lightning
So see.
with the car ...
No ray has passed, because we can see the outline of it here
When we removed the car we saw that some rays were able to enter
I'll call for a little while longer
to see how much these rays can penetrate
See that the rays have now reached the position
where the passenger would be
Would certainly be roasted
Then during a storm stay inside your car
At the end of the video there is a bonus
where we use the other  conductors
The circular conductor and ...
the rectangular conductor.
That's all, folks!
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I'll press and ...
The rays reach the driver's surface
And now I'm going to use the rectangular conductor
A little more of the sodium bicarbonate solution
Let's take the excess
Now with rectangular conductor
I'll use that other glass that's cleaner.
I'm going to press
And turn om the transformer
Ops! I forgot to connect the electrodes.
It is necessary to make this pressure on the wire because
the electric current flows only through the surface of the wood
Then a perfect contact between the driver and the wood is required
Very good !
Then see that the rays arrive ...
The rays reach the conductor
Circulate around him and go on his way
And no lightning passes through the interior
