Random-number-generator

The Calculator app is probably one of Apple's most-used iPhone apps, yet I always meet people who don't know all the little tricks there are to using it more efficiently. You may know most of them, but there's a chance you don't or at least forget about some of them. What a " ...more

Have an old-school tabula recta lying around? No? Then just print out the chart below. Nothing ensures better password security than this centuries-old cipher technique. Here's how it works, via Wikipedia: "Using a tabula recta, each alphabet is shifted one letter to the left ...more

Individually addressable LEDs, also commonly called "NeoPixels" after the popular Adafruit product, are a bright and colorful way to get started with basic Python programming. With an inexpensive ESP8266 or ESP32 microcontroller, it's easy to get started programming your own h ...more

Equifax reported on Sept. 7 that it discovered a breach on July 29 which affects roughly half of Americans, many of whom don't realize they have dealings with the company. Hackers got away with social security numbers, addresses, and driver's license numbers, foreshadowing a " ...more

Sick of losing quarters to machines that promise you toys? Wanna win the stuffed piggy once and for all? Our guy Matt has won loads of stuffed piggies and he's going to show you how! Matt's an arcade game fanatic. So obsessed, he's purchased his very own claw machine just to ...more

Google has a few hidden tools you might not have discovered yet, and they work in Google Search, in the Google app, and with Google Assistant — on both iPhone and Android phones. We all know smartphones do much more than make phone calls. They serve as cameras, GPS navigators ...more

Cryptography is the science of keeping secrets, or more specifically, the science of disguising them. As a point of fact, cryptography has progressed quite a bit farther and now encompasses file and message integrity, sender authentication, and pseudo-random number generators. ...more