THE CRA PERSPECTIVE Ancient Engineering Wonders That Still Challenge Our Imagination From underground cities and precision-cut stone to monumental temples and sophisticated water systems, the ancient world was far more technologically capable than we sometimes imagine. Some of humanity's greatest engineering achievements were built long before modern machines, computers and industrial technology. Across continents, ancient civilizations transformed stone, mountains, water and landscapes into extraordinary structures. Their achievements reveal not only physical strength, but also planning, mathematics, craftsmanship, environmental awareness and generations of accumulated knowledge. These monuments invite us to ask an intriguing question: How did ancient societies accomplish eng...
THE CRA PERSPECTIVE Five Things You Should Think Twice About Sharing With AI Privacy • Safety • Critical Thinking • Responsible AI Artificial intelligence has rapidly become part of everyday life. AI assistants can help us write, research, learn, plan, analyse information and solve problems. But convenience should never be confused with complete trust. An AI assistant should be treated as a powerful digital tool—not as a private diary, doctor, security adviser or replacement for human judgment. The following five areas deserve particular caution whenever we interact with AI. 01 • PRIVACY Sensitive Personal and Financial Information One of the most important rules when using an AI service is simple: If you would not want sensitive information exposed, don't unnecessar...