How Fairfax Co. high schoolers created an app to help kids find the safest route to school

Three Fairfax County high school students created SafeWalkr, an app that helps students find safer walking routes to school.
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The Ghost That Outlived Its Own Code: How Spectre Returned Through the “Back Door” of Optimization

A new Spectre attack on processors exploits a feature designed to speed up computers. The code disappears from memory, but ...

Why are passwords alone dangerous? Understanding the mechanisms of Multi-Factor Authentication (MFA) and secure authentication design

What is the difference between "Authentication" and "Authorization"?Chapter 2: Why can't passwords alone protect you?Chapter ...

Recursive functions are Turing-equivalent (Small tips to make middle and high school students like math 3)

A fact I recently learnedI recently finished reading a book on automata, and according to that book, Turing machines, lambda calculus, and recursive functions all have the same computational ...