Cows in Wannon, in the Australian state of Victoria, put the farm into wind farm. Photograph: Nicole Cleary/The Guardian Cows in Wannon, in the Australian state of Victoria, put the farm into wind farm. Photograph: Nicole Cleary/The Guardian 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 in the same direction? If so, why? Rab Spence, by email Post your answers (and new questions) below or send them to nq@theguardian.com . A selection will be published next Sunday. Explore more