Can I erase a regular CD-R? - Page 2 - Techist - Tech Forum

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Old 01-10-2005, 01:55 PM   #11 (permalink)
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Roshi...frisbee CD's are lethal! If you're good (i did this) you can throw them straight and do some damage...especially with those cheap, sharp-edged mass produced ones.
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Old 01-10-2005, 02:11 PM   #12 (permalink)
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yea we throw em around our dorm all the time, someone makes a coaster and it gets tossed in the hall, I'm used to throwing cards so I chuck em pretty hard. They are hard to break with your hands but if you hit a wall you can shatter em, and the paint film crap comes off.
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Old 01-10-2005, 06:23 PM   #13 (permalink)
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yeah you can, just make sure you use a dry erase marker to write with
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Old 01-10-2005, 07:10 PM   #14 (permalink)
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Lol, although these comments are humorous, why don't we get some tech-talk out of this question?

I mean, I know the basics of how a CD works, etc...
But I'd like to know what physically stops a CD-R from being re-written onto.

What is different about the writing layer on a CD-R than on a CD-RW? (For example, do the two different layers reflect light in a different way?). Why do these differences only allow one closed write to a CD-R, yet when using a CD-RW, it can be opened up again and re-written onto?

It would be very interesting to know.
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Old 01-10-2005, 07:15 PM   #15 (permalink)
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here u u really care that much... http://electronics.howstuffworks.com/question655.htm

But back to breaking....i mean erasing...there not hard to crack with your hands they just kinda shatter and u need to watch out when they do...at least i know for a fact the black backed psx one would shatter like hell
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Old 01-10-2005, 08:51 PM   #16 (permalink)
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check out what I wrote here:

http://techist.com/showthread.php?s=...hlight=metalic

and here:

http://techist.com/showthread.php?s=...&highlight=dye
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Old 01-10-2005, 09:57 PM   #17 (permalink)
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This thread is getting out of control.....
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Old 01-10-2005, 11:42 PM   #18 (permalink)
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Quote:
wongb18c - This thread is getting out of control
You seem new here, so I'll just say that...buddy...we ain't even TOUCHED out-of-control yet...

Anyway, back to technical and eraser...

In layman's terms, a CD is just like a record, only instead of carving vibrations into the disk, we're poking holes in it. Now, a CD-R (non rewriteable) is like a record made of stone. A CD-RW (rewriteable) is like a disk made out of clay. With the CD-R, once you punch the holes, you can't smooth them back out. With the CD-RW, you can.

Okay, that's really a chinsy explanation...but it's sorta true.

Now, as for destruction...I mean...erasing...

Take a CD, wrap it in a single sheet of newspaper (or printer paper), dowse it with vodka or whiskey, light it with a match, and throw it. It'll dissintegrate right before your eyes like Haley's comet on crack.
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Old 01-11-2005, 07:55 AM   #19 (permalink)
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You Barbarians, breaking cd's releases harmful toxins in to the air that destroy the ozone layer.

dont believe me?

Http://www.clickheretard.org/our_ear...therpollotants
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Old 01-11-2005, 08:06 AM   #20 (permalink)
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Bah whatever, I've never broke a CD before
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