Cannons, lasers, drones: New hope to save birds at toxic pit
ABC News Also in the plan are radars, air and water drones, and strategically positioned lasers that would create a "net" across the pit and deter the birds from landing in the metal-laden water. The companies want to test those and other technologies during … National briefs: Guns, drones aim to scare birds away from pitPittsburgh Post-Gazette |
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