I’ll attempt some clarification here. What I originally suggested was that the SDMB might consider not discussing how magic tricks are done for the following reasons:
(a) it’s pointless. The only people who know the right answers are magi, and we don’t post the secrets on the Boards. (I’m sorry if I’m injuring anyone’s pride here, but believe me, 99% of the time when people think they have sussed out how a trick is done, they are dead wrong.)
(b) it doesn’t square with the SD remit. Exposing magic methods is not ‘fighting ignorance’, but it may be making life harder than it needs to be for some very hard-working men and women who try their best to provide a legitimate form of entertainment.
I’m surprised at some of the comments so far.
Sublight said
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Well, let me try to help you. A good magician is trying to entertain you, in part by doing things which seem impossible. If the secret of a given trick becmes rather widely known, it is ‘spoiled’ in the sense that it can no longer be used to create the temporary and entertaining illusion of something impossible having happened.
Sub also offered this comment, echoed by one or two others:
Quite so, but your job doesn’t involve trying to create a temporary and entertaining illusion of impossibility. You’re not comparing like with like. If you (as a spectator) know how trick X is done beforehand, then the magician cannot succeed in his aims as much as he would like by performing trick X. Sure, there may still be many things you enjoy about his performance, but his chance to create that temporary illusion is gone.
Javaman, among others, pointed out that there are many books that explain magic secrets, as well as other sources. Yes, there are. But again, this is not comparing like with like. It is one thing for an individual with a genuine interest in learning about magic to obtain a book and study it - presumably with the intention of one day beng able to entertain people. It is quite another for a public forum to give away secrets to x tens of thousands of people for no other reason than a few people like to expose secrets - which are not their intellectual property anyway.
Several Dopers mentioned Penn & Teller, and their routine in which they ‘expose’ the Cups & Balls trick. This is one of a number of routines in which they seemingly break the magician’s code. Okay, some information.
There are several times when P&T seem to expose how a trick is done, but they don’t really. The ‘secret’ they ‘explain’ is not the real secret. Obviously I can’t say more without giving too much away.
Secondly, in all cases except the Cups & Balls they only ‘expose’ tricks and illusions which they themselves created, specifically for the purpose of doing a ‘reveal’ (whether straight or fake) - so, in other words, they aren’t handling any intellectual property except their own, nor are they damaging the interests of any other magician.
Thirdly, their Cups & Balls routine, which is brilliantly funny, is harmless to magic for a couple of reasns. There is no one trick known as ‘the Cups & Balls’ with one secret. You could watch P&T’s version, and then watch another magic act do a similar-looking trick, and be utterly flummoxed. P&T were very careful what they exposed and what they didn’t. Also, the ‘explanation’ is deliberately speeded up and rendered incoherent and confusing, making the ‘explanation’ funny rather than an exposure of magic secrets. (I know Teller fairly well, BTW, and I’ve discussed this point with him several times. There’s also a funny story about him on my website.)
Some posters have used the faux-analogy with the movie special effects industry. Knowing how the SFX work doesn’t lessen enjoyment of the movie. True, but the aims of the movie-maker and the aims of the magician are not the same. The movie maker aims to tell a story, and SFX may or may not be part of that process. If you know how the SFX are done, he can still succeed in his aim of depicting a great story. Also, you can make a great movie with no SFX. A magician hopes, in part, to create a temporary and entertaning illusion of something impossible having happened. If you know how he does what he does, he can’t do this (at least not with that trick).
I hope this moves the discussion on a bit.