Explaining The Universe on Instagram: "Wave breakers, also called breakwaters, are structures built along coastlines or harbors to reduce the energy of incoming waves and create calmer waters behind them. They can be constructed from large boulders, concrete blocks, or specially shaped units like tetrapods that interlock and dissipate wave force. By absorbing, reflecting, and scattering wave energy, breakwaters help prevent shoreline erosion, protect boats and infrastructure, and make coastal ar