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  #1  
Old 5th Apr 2007, 11:16
Ria
New Member Group
 
hey i have a question im going a project on that movie 'the core' and i have to write a paper on how magnets affect computers and how microwaves affect cds because in the movie the guy throws cds in the microwave and runs huge magnets across the computers so he doesnt get cought because hes a computer hacker. anyway. i have no idea what magnets or microwaves do to things like that haha. help?
  #2  
Old 5th Apr 2007, 11:34
Administrator Group
 
I haven't seen the film, but...

Films involving computer hackers are normally not very accurate.

The techniques used in them are more fiction than fact.

They just use big words and stuff to impress the untrained audience.

So on that basis its probably a waste of time investigating how magnets affect computers, because the effects of them are going to be no-way related to computer hacking.
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  #3  
Old 5th Apr 2007, 21:32
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Firstly, awesome film!

Secondly, Dave's correct. Your average household magnet (fridge, speaker etc) will more than likely do no irrepairable damage to the data on a hdd.

Thirdly, regarding putting a disc in a microwave. The aluminum layer on a cd is very thin. The microwaves from the oven induce a large amount of current in the aluminum. This creates enough heat to vaporize the aluminum. You then see electrical arcs go through the vaporized aluminum. Within a few seconds there are paths etched throughout the aluminum, leaving behind little metalic blobs. These blobs will focus the microwave energy, and get very hot. As the microwaves are concentrated within these blobs they eventually dissapate and you end up seeing just a few bright spots spewing a lot of smoke.

How do i know?

I just did it :D

(Glad i didn't sell my macro lens).

The microwave turntable is full of what appears to be slag now, the mrs is gonna kill me. Hey, never let it be said i don't do my best to help :)

Oh, and to actually answer your question, yup, the cd is buggered so i guess the film was correct on this one.

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  #4  
Old 10th Apr 2007, 12:58
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I see what your saying.

I guess a magnet would also affect a PC in a bad way, a magnet would definitely erase data from a hard/floppy drive.

I wasn't exactly saying the methods didn't work, just they are unrealistic, which means basing them on a serious 'project' or 'paper' is probably a bad idea.

Researching proper methods would be a better angle, leaving films out of it altogether.
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