50, 100 & 150 years ago.

• Localización: Scientific American, ISSN 0036-8733, Vol. 302, Nº. 1, 2010, págs. 12-12
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • The article discusses several reports that were published in “Scientific American” 50,100, and 150 years ago including one on the use of guano as fertilizer in the January 1860 issue, one on the sinking of the steamship Lusitania in the January 1910 issue, and one on Russian astrophysicist Nikolai A. Kozyrev’s hypothesis that the passage of time is the source of cosmic energy in the January 1960 issue.