European Patent Office 107d ago

Pi Day isn’t just about pie 🥧 The number π helps power the inventions we rely on every day: from navigation and wireless communication to sound and sport. 📡 Maps & GPS: π is used to calculate position on our curved Earth 🎧 Headphones: π is used to model sound waves 📶 Wi-Fi: π is used to calculate radio wave behaviour and signal frequency 🏀 Sports balls: π is used to calculate circumference and size Can you think of any other everyday inventions where Pi plays a role?