Uploaded March 2026 | Updated September 2026, 1 week 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?
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?
