Seaweed is mucking up beaches. This robot could stop it — and fight climate change : Short Wave

https://www.npr.org/2023/10/02/ [login to see] /seaweed-beaches-climate-change
On a rainy September morning, on the outskirts of Glasgow, Scotland, a handful of engineers are standing around a plastic swimming pool.

Sitting along the water's surface are little rubber duckies, the kind you'd expect to find in a bathtub, not an engineering laboratory.