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Sending secure information? You could do a lot worse than employing the RSA algorithm. Seq

The RSA algorithm (or how to send private love letters)

A couple of days ago on The Conversation, I set myself up with a task: to defend the usefulness of so-called “useless” maths. Today, that defence continues, with a look at the RSA algorithm. I finished…
As all mathematicians know, the rift between useful and useless can change with time. Manu gomi

Your number’s up – a case for the usefulness of useless maths

I once made the mistake of asking a mathematician why he devoted his whole life to maths. “Because it’s fun!” he replied wildly, his flabby cheeks beaming with childlike excitement. “Ah, of course,” I…

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