莫尔斯电码和asci_极客历史的本周：莫尔斯电码，火星漫游者，JRR托尔金诞辰...

莫尔斯电码和asci Every week we bring you interesting facts from the history of Geekdom. This week in Geek History witnessed the first successful demonstration of the electric telegraph, the safe landing of

>>阅读原文<<