Like many nerds, I have an interest in cryptography rooted in the wartime exploits of codebreaker and Ur-computer scientist Alan Turing. So I’ve followed with interest IEEE Spectrum’s reporting on the ...

An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...

This is a preview. Log in through your library . Abstract We show how various modular identities due to Ramanujan may be used to produce simple high order approximations to π. Various specializations ...

It’s happened to all of us: you find the perfect model for your needs — a bracket, a box, a cable clip, but it only comes in ...