A noisy flashing drone could stop bats crashing into wind turbines
A drone outfitted with lights and audio system can deter bats from wind farms to guard them from probably lethal ...
Tag: Flashing
For Hong Kong Journalists, NSL Turns “Red Lines” Into Flashing Red Lights
On Thursday, the Worldwide Federation of Journalists (IFJ) launched a report titled “Lights Out: Is This the Finish for Hong ...