With the new wings completed, Van's Aircraft has taken a major step forward in RV‑15 development. The prototype, still built around the original fuselage, took flight recently with a completely ...

KNOXVILLE, Tenn. (AP) – A disagreement over ACT scores withheld from students at a Tennessee high school could lead state officials to consider moving to a rival assessment test. Knox County Mayor Tim ...

For some years, the Wind Energy Division at Risø DTU in Denmark has been working to develop a method for controlling the loads on large wind turbine blades using a flexible trailing edge made of an ...