Elektor Magazine

Sound Card as Signal Generator: PC as DCF77 Test Transmitter

Shannon’s sampling theorem states that a signal of frequency f can be fully captured by sampling at 2f. Modern PC sound cards ...
IEEE

RAVA: An Open Hardware True Random Number Generator Based on Avalanche Noise

Abstract: Entropy is a crucial resource in the domains of cryptography, artificial intelligence, and science. This paper introduces RAVA, a true random number generator based on avalanche noise. RAVA ...
moneywise

I was sent $3,000 from a random number. At first, the stranger said it was a mistake — but eventually accused me of stealing it. Am I being scammed?

How do payment app scams work? In an accidental deposit scam, fraudsters use stolen credit cards or bank account information to send money to random users on apps like Zelle, Apple Cash, Venmo or ...
Scientific American

How the Math of Shuffling Cards Almost Brought Down an Online Poker Empire

How the Math of Shuffling Cards Almost Brought Down an Online Poker Empire Card dealers create a unique deck with each shuffle, something computers cannot replicate ...
IEEE

A PVT-Tolerant Oscillation-Collapse-Based True Random Number Generator With an Odd Number of Inverter Stages

Abstract: This brief proposes a PVT-tolerant true random number generator (TRNG) based on a ring oscillator (RO) with an odd number of inverter stages. By introducing a Muller C-element in each racing ...