The long-standing debate over whether pitch or power controls speed or altitude in powered aircraft is misguided, as neither works effectively in isolation; optimal performance requires balancing both ...

Everyone’s owned a pinwheel at one time or another. I remember riding in the back of my parents’ car, sticking my pinwheel out the window as we traveled down the street. The speed at which the ...

Maintenance on a wind turbine hub can be exciting, but also somewhat dangerous and a bit exhausting, as all the equipment and tools must be carried up (and down) hundreds of feet. Making pitch ...