Owl Wing Design With Serrated Edges Reduces Aircraft, Wind Turbine Noise Pollution

Good News Notes: “Trailing-edge noise is the dominant source of sound from aeronautical and turbine engines like those in airplanes, drones, and wind turbines. Suppressing this noise pollution is a major environmental goal for some urban areas. In Physics of Fluids, by AIP Publishing, researchers from Xi’an Jiaotong University used the characteristics of owl wings to inform…

Boat owners use drones to create global database on plastic pollution

Good News Notes: “AnimaMundi Ocean Data Solutions, DJI and Lagoon are using drones to build a comprehensive database of plastic waste on coastlines throughout the world. AnimaMundi is a not-for-profit organization based in Geneva, Switzerland. Its proprietary technology interprets photo and video records to extract a single-use plastic bottle count. The information can be captured via an app using…

Tackling air pollution with autonomous drones

Good News Notes:  “Hovering 100 meters above a densely populated urban residential area, the drone takes a quiet breath. Its goal is singular: to systematically measure air quality across the metropolitan landscape, providing regular updates to a central communication module where it docks after its patrol, awaiting a new set of instructions. The central module…

Anchorage engineer plans to recycle ocean garbage into plastic lumber

Good News Notes: “The cost of lumber and other building materials is sky-high, and it’s even more expensive when shipped to small coastal communities in Alaska. Patrick Simpson of Anchorage has an idea that might help. He wants to create artificial lumber from an abundant material no one wants: Plastic ocean debris. Simpson, an engineer,…

Eden deploys drone technology to help plant one tree at a time

Good News Notes: “Helping people to help the environment is the core mission at Eden Reforestation Projects, a non-profit that began its work in Ethiopia in 2004, according to the organisation’s director of forest monitoring and evaluation Ezra Neale. ‘A lot of trees are being cut down without any alternatives and local communities are turning…

Karen Spindler Found

Good News Notes: “Shortly after 2 pm on Friday, Marshfield Police Department posted information about a missing person. Karen Spindler, a 75 year-old female, went missing from 2711 S. Apple Ave. She was last seen wearing black pants and a pink long sleeve shirt with white shoes. Karen has gray hair and had it up in a…