A Spanish start-up company called Vortex Bladeless is proposing to make wind generators that vibrate rather than rotate. The wind generators look like giant poles and the claim is that they are much cheaper to manufacture and maintain because they have no mechanically moving parts. The company also claims that they will be more efficient because double the number of turbines can be put in the same space as conventional turbines in a wind farm. The idea has been reported by a number of agencies this week including Wired and Science Alert. The article at Science Alert brings in the controversial topics of bird strike and wind turbine syndrome and refers to related articles on these subjects, which could be useful critical thinking pieces for your students.
Did you know? In 2013, wind power was Spain's top source of electricity, providing 21.1% of supply.