50, 100 & 150 Years Ago.

• Autores: Freeman J. Dyson
• Localización: Scientific American, ISSN 0036-8733, Vol. 310, Nº. 4, 2014, págs. 90-91
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • Excerpts from articles appearing in "Scientific American" issues from April 1964, 1914, and 1864 are presented including one on the hallucinogen LSD and a naturally occurring psychedelic compound, called Psilocybin, one on the age of the sun, and one on a mechanical hay loaders, respectively.