theres nothing buddhist about jhana. all the meditative nonbuddhist traditions do it also--thats how they realize the eternal self etc, through extremely sophisticated concentrations
what makes jhana a buddhist practice is correct analysis ie. right view
A Japanese man has been arrested on suspicion of writing a computer virus that destroys and replaces files on a victim PC with manga images of squid, octopuses and sea urchins. Masato Nakatsuji, 27, of Izumisano, Osaka Prefecture, was quoted as telling police: "I wanted to see how much my computer programming skills had improved since the last time I was arrested."