What Is The Physics Behind Why Helmets Work?

What Is The Physics Behind Why Helmets Work? When a bike helmet breaks, it’s absorbing what’s called “impulse”—a secondary effect of an initial force. Impulse, which gives objects momentum, is what transmits kinetic energy through a system. It takes into account not just force, but also how long that force was applied. What is the

Are Helmets Useless?

Are Helmets Useless? A British brain surgeon says cycle helmets are too flimsy and can actually create more danger by creating the illusion of greater safety. If a car manufacturer suddenly told you fenders were useless, you might raise an eyebrow. Do helmets actually help? This review included five well conducted case‐control studies and found