The list of renewable energy options for homes is growing almost by the day, and one of the most popular solutions is a VAWT (vertical axis wind turbine). The main difference between these units and ...

Abstract: In this article, we describe numerical simulations of an innovative design of close-packed contra-rotating vertical-axis turbines (VATs ... which significantly enhances the performance of ...

Scientists have created what they say is the world's smallest untethered flying robot, by taking a unique approach to its ...

UK researchers believe they have discovered a "powerful new approach" to demonstrate safety risks posed by hovering helicopters or other vertical take-off vehicles by using video simulations to ...

In nature, elements like gravity, wind and temperature complement and ... These are all axisymmetrical shapes, or symmetrical around a vertical axis. Non-symmetrical shapes are more difficult ...

Swiss marine giant ABB has spent more than a decade developing a radically different Voith-Schneider take on a marine ...

See the full story on Dwell.com: A Chilean Beach Home’s Sinuous Facade Is Designed for High Winds Related stories: Though one of them is Indonesian and able to buy land in Bali, the couple decided to ...

Severe weather outbreaks increase in frequency this time of year as the ingredients that can fuel explosive severe storms - wind shear, lift, instability and moisture - become readily available over ...