Although (quantum) suicide experiments can never be successful, memory erasure could still work. Suppose you are an artifically intelligent machine and you can erase any part of your memory. One day you receive news that an asteroid is on its way to earth which will completely destroy the planet. If you just erase this from your memory and check the news again you will very likely not hear about this anymore.
Saibal
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Received on Sun May 01 2005 - 11:40:25 PDT