Science!: Fat and Force Fields

Marine Mike

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Mar 3, 2010
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I love explosives!

Anyway, chicken wire is extremely effective against RPG attacks since to achieve the armor penetration anti-tank weapons rely on the Munroe Effect. Essentially there is a hollow cone inside the explosive charge that when detonated focuses the explosive power onto a single point instead of exploding in all directions at once. Since the Munroe Effect requires that the explosives be detonated a specific distance from the target to achieve maximum penetration then early detonation due to a chicken wire screen will nullify the armor-killing quality of the anti-tank round. Also the RPG is especially vulnerable because of its lower muzzle velocity and impact detonator, if it were to hit a chain link fence there is a good chance it will not detonate and simply get stuck or bounce off.

Reactive armor (explosives attached to tanks to deflect missiles) will negate the shaped charge's effect by sympathetic detonation. Since the superheated jet of gas formed by the shaped charge will detonate the explosive armor the reactive armor will dissipate the Munroe Effect thus rendering the attack ineffective. Explosions travel along the paths of least resistance, so an explosive detonating on top of an armor plate will direct the majority of its energy outward and thus cause little to no damage to the actual armor.

Depleted Uranium, while not nearly radioactive as natural uranium is still radioactive and on top of that is also a toxic heavy metal. You may think thats not too much of a problem, but like all metals exposed to explosions some of it will still vaporize. So if your depleted uranium armor tank is hit by an RPG, it might not penetrate but it did just create a cloud of slightly radioactive and highly toxic metal particles for all to enjoy.

I worked for 4 years as an Anti-Tank Assaultman in the US Marine Corps and have extensive experience with most forms of explosives. I love talking about demolitions, anyone interested in knowing more can send me a message.
 

chris11246

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Ever since I heard that a magnetic field can create a force on a charged particle I wondered if it was possible to use an electric field to charge surrounding objects and resist their movements and this is giving my "theory" some support.
 

CuddlyCombine

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Sep 12, 2007
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Ugh. I've always hated that term. Force field, that is. It doesn't make any scientific sense. It's almost worse than the whole "energy weapon" thing. Besides, a tank with this technology wouldn't have an actual force field, just super-capacitor armor.
 

runedeadthA

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CuddlyCombine said:
Ugh. I've always hated that term. Force field, that is. It doesn't make any scientific sense. It's almost worse than the whole "energy weapon" thing. Besides, a tank with this technology wouldn't have an actual force field, just super-capacitor armor.
Well if it moans, shuffles , is reanimated and goes down in a headshot why not call it a zombie? (<-- Metaphor for the slow 'uns). It actually Might be helpful to call something by its fictional counter-parts name, after all their are normal people who arrange funding and the word "Force Field" might open some imaginations and wallets.

Real Life Scorched Earth, here I come!
 

Calatar

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May 13, 2009
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CuddlyCombine said:
Ugh. I've always hated that term. Force field, that is. It doesn't make any scientific sense. It's almost worse than the whole "energy weapon" thing. Besides, a tank with this technology wouldn't have an actual force field, just super-capacitor armor.
I don't mind it so much, but it seems like a pretty general term. Gravity is a field that can exert force, thus it is a force field. As are electric and magnetic fields. I don't see the problem.
 

CrystalShadow

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Apr 11, 2009
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008Zulu said:
Can the tank still fire its weapons if the electrical shield is active? If not then all an RPG team has to do is cycle their fire so the tank can't fire long enough for someone to get in close with an explosive charge and set it near the tank.
That depends on how it works, and if it is applied to the whole vehicle. In principle though, if the shape of the field is planned properly, it shouldn't affect the tank's own weapons, or may even assist them.

Epoetker said:
If inexpensive chicken wire or metal cages deflect RPGs better or as good as the single-shot EM field, too bad for the EM field. There ain't infinite money in the world.

Depleted Uranium is...pretty safe. I'd rather encase myself in a DU tank than try my armored body against bullets and explosives any day of the week.

And that, as they say, is that.
The article didn't say single-shot;
It more or less said it was short-lived.

That is, when activated, the field would be effective for about 1 second.
That doesn't say anything about how often it could be activated, or the delay afterwards before you could use it again.

The main implication is that you would have to time the activation so that it is active at the moment of impact.

You can't just turn it on and then forget about it.
 

Bofus Teefus

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Heh. I love these. Thin skin which allows water & oxygen to diffuse through it would be the same way amphibians breathe. They've got lungs, but the lungs aren't sufficient to supply their bodies with oxygen by themselves, which is why frogs/toads need to be kept moist. It's not a surprise that the insect in the article may breathe the same way.
 

Grahav

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The Random One said:
Few things are as refreshing as knowing that leading scientists in their fields can still sometimes look at something like a caterpillar and go, 'wtf?' That's what science really is.

Those human evolutionary offshots make me sad because they mean a fantasy world with elves is not scientifically feasible. We'd have eaten the elves! :-(

I look at that force field and keep remembering how shortly after X-rays were invented people would be using it all the time without any protection because they didn't know it causes cancer. I know anyone not living on a shack on a mountain is probably in the middle of a bunch of electromagnetic fields, but I keep thinking something awful will happen down the line.

I want ice cream too.
Yeah, I like wtfs as much as I like ice cream.

More offshots that we, sadly, killed.