Rachel Nuwer: MDMA was resynthesized in 1968 by the psychedelic chemist Alexander Shulgin, in the Bay Area.

Rachel Nuwer：MDMA 于 1968 年由湾区的迷幻化学家 Alexander Shulgin 重新合成。

The signals were then resynthesized into the range of human hearing by scaling them upward by 57 and 58 octaves above their true pitch.

然后将这些信号的音高上调57和58个八度，重新合成到人类的听觉范围内。