数学英语 30 How to Use Math to Send Encrypted Messages

by Jason Marshall Would you believe its possible to send someone a secret message secured with absolutely unbreakable encryption using only a bit of simple arithmetic? Well, it isthe solution is surprisingly simple and was used by British, German, an

发表于:2018-12-07 / 阅读(37) / 评论(0)

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发表于:2019-01-08 / 阅读(174) / 评论(0)

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发表于:2019-03-04 / 阅读(139) / 评论(0)

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anemometer with stopwatch

antenna radiation impedance