New AI System Makes CAPTCHAs Even More Vulnerable to Hacks

Computer scientists have developed an artificially intelligent system that’s an improvement over existing techniques used to crack CAPTCHAs, those super-annoying prompts that check to see whether you’re a human or a bot. For security experts, it means that existing CAPTCHA-based systems may soon be obsolete—if they…

Why Computers Are Having Such a Hard Time With This Deceptively Simple Chess Puzzle

A popular chess problem known as the Queen’s Puzzle has captivated mathematicians and computer scientists for years, yet no one has been able to write a computer program that can solve the conundrum quickly and efficiently. Researchers from the UK now claim that computers will never be up to the task—and they’re…