When looking at a surf forecast, there are several key factors to take into consideration, including swell direction, swell height, tide times, wind speed and wind direction. If you can understand ...

With a wind sphere capable harnessing the wind’s power from all directions and being rather compact, the O-Wind turbine from O-Innovations is perhaps the type of omni-directional wind turbine that ...

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts Do all wind turbines rotate ...