Did you know the longest tension structure on Earth is a suspension bridge? The Akashi Kaikyō Bridge uses cables with tension strong enough to hold 45,000 cars.
And spiders? They’re tension experts. A spiderweb’s silk breaks at around 1,000 megapascals—stronger than steel by weight. Your grandma’s knitting has nothing on evolution.
Rock climbers live by tension. One slip on a rope and the force multiplies instantly. That’s why they shout “Take!” before falling. It’s a tension conversation.