The researchers found that the fringed wing was up to 6.5 dB quieter ... inspiration from owl fringe to put saw-like edges (serrations) on their turbine blades. Uniform serrated edges can reduce ...

A wind turbine’s blades can be longer than a Boeing 747 wing, so at the end of their lifespan they can’t just be hauled away. First, you need to saw through the lissome fiberglass using a ...

The key to the SawStop is its active injury mitigation (AIM) system, which sends a small electrical charge through the saw blade, and because skin is conductive, the system senses whether the ...