Difference Engine: A lament for the simple pleasures of backyard astronomy

The Economist (@EconSciTech) tweetou às 0:17 PM on seg, Jul 15, 2013: Difference Engine: A lament for the simple pleasures of backyard astronomy http://t.co/xHWF9rwjO4 (https://twitter.com/EconSciTech/status/356734224243503106) Adquira o aplicativo oficial do Twitter em https://twitter.com/download