Planet Descent
Community => Mess Hall => Topic started by: VANGUARD on March 18, 2012, 07:12:06 PM
-
I'm having a hard time finding an answer to this. In the game, Call of Duty: MW2, Captain Price launches an EMP missile (or two), and disables an area on a country. Naturally, all electronic devices no longer works.
Question is,
"After" this has been detonated, can anything electrical work when you enter that area, or is there something in the air that will disable it for a certain period of time?
I'm not asking for any lengthy reply. Short and sweet works for me.
-
An EMP is an electromagnetic pulse, which you could also describe as a large (or larger than normal) burst of electronic 'noise' or a pulse of electronic energy. It is brief (hence the word 'pulse'). Only "knocks out" stuff that isn't sufficiently protected and only stuff that is present at the time of the pulse. Anything brought in afterwards is not affected.
A common example is a lightening strike which creates a fairly small EMP in the area of the strike and is felt by electronics as a jolt or power surge/spike that can disrupt radio signals briefly, and disrupt your electronics if they are not shielded and will destroy the electronics if not sufficiently surge protected. Simple surge protectors are usually not enough. The effect is brief and may last longer if the pulse is stronger, but still temporary. Any lingering effects would be electrical charges left from the pulse that hasn't dissipated.
-
so let's say a game, or a movie would find some way to fire off one of these EMPs in an area; they could charge right afterwards and take them out with all of their electronics working?
nice. thanks!
-
That's correct.
You've seen Independence Day (http://www.imdb.com/title/tt0116629/)? At one point they fire off a nuke at an alien ship with a armored vehicle nearby to observe the result. The blast shakes the vehicle around a bit and their electronics gets zapped a bit, but because they were shielded, they simply restarted their electronics and as the blast wave dissipated, they were able to use their electronics. Sure, it was Hollywood hamming it up, but pretty close. Just had to wait for the initial charge/shock to dissipate.
-
Of course that doesn't mean the creators of COD implemented it that way. I would think a popular game like COD you who find plenty of information specific to the game.
-
An EMP doesn't only "knock out" insufficiently protected electronics. It destroys them by overcharging them. Since an EMP is a super intense "flash" of electro-magnetic energy, it's duration is only very short. After it has gone, it leaves nothing behing that could damage electronics any further. So you can safely enter an area that had suffered from an EMP even with unshielded electronics afterwards.
-
Thanks all for the info. Really cool stuff. That was one question on my mind for some time.
Saw that movie years ago. Is that when they demonstrated on shooting a pop can near the ship?
-
No, they drove a SAM truck up to monitor the detonation of a nuke on a mothership launched by a B-2.
-
But they did shoot the pop can, too, that was just a different scene. :)
-
But they did shoot the pop can, too, that was just a different scene. :)
That was the scene I was asking about, some demonstration.
-
That scene had nothing to do with EMPs, though.
-
That scene had nothing to do with EMPs, though.
hm....that had to do with shielding then right?
-
And catching colds. :P
-
That scene had nothing to do with EMPs, though.
hm....that had to do with shielding then right?
Yes but not the kind of shielding we're talking about with EMPs. There was nothing to do with EMP in that movie other than as a very minor footnote of the nuke. EMP shielding would be a metal enclosure designed to conduct the charge away from the electronics.
-
Or just good grounding for the circuits (routing unwanted charges away from the circuits is what grounding does, in addition to helping to stabilize electronics).
-
I think I only remember three scenes from the movie.
one - president I think, talking about Fourth of July meaning freedom, and they need to fight those things.
two - that scene I know about the pop can
three - I think he says, Will Smith or whoever, "I have got to get one of these for Christmas".
that's it. all else is a blur
-
I think we both know what the solution to that problem is, Vanguard. :)
-
I think we both know what the solution to that problem is, Vanguard. :)
And that is to watch it?
-
No, the solution is play more Descent. :o You need to get away from the toob and get in a game.
-
sounds good to me
-
No! Everyone must watch Independence Day! It's a classic!
-
I enjoyed it. I would watch it again and I would recommend it. I liked 'Men In Black', too. And 'Spiderman', and 'Transformers', and Pink Floyd's 'The Wall'. And 'Animal House', 'Caddyshack', 'Ghostbusters', 'Back To School', 'The Shining' and 'Fast Times' At 'Ridgemont High'. And quite a few others.
-
Speaking of "Men in Black", don't forget "Princess Bride". ;)
-
Speaking of "Men in Black", don't forget "Princess Bride". ;)
I'd second that.
-
No! Everyone must watch Independence Day! It's a classic!
Eh...I like it as a kid but, to me as of today, it was corny and cheesy. I've even seen the Nostalgia Critic review of the movie (WARNING: video contains profanity! Watch it at your own risk!)-
http://thatguywiththeglasses.com/videolinks/thatguywiththeglasses/nostalgia-critic/25249-independence-day (http://thatguywiththeglasses.com/videolinks/thatguywiththeglasses/nostalgia-critic/25249-independence-day)
Oh yeah! I do LOVE Men In Black! Looking forward to the 3rd installment!
EDIT: We should divide this topic, though, we need to put the thread train back on it's rail.
-
I don't think I could watch princess bride. The girl I watched it with, left me. Still been hard to imagine her not being in my lide. :'(
-
I don't think I could watch princess bride. The girl I watched it with, left me. Still been hard to imagine her not being in my lide. :'(
You never know, might be a good way to cross that bridge.
Cheesy? Clearly you've never seen men in black :P Not that it's a bad movie, but it's hilariously cheesy. Of course, that might be because it's an action comedy. Which, ironically, makes it the only movie with "comedy" in it I've ever enjoyed.
-
Im bringing some things back in my life that reminded me of her, but some, not going to happen.
I should update my profile.
Men in Black, never saw I don't think. Anything alien in that movie? If so, then I saw it, but MANY years ago.
-
'Alien in it' could apply to hundreds of movies, lol. If you saw MiB I think you would have remembered it. Either way, you need to go watch it, or watch it again, whatever the case may be.