CTO Abe Schneider talks to Reasons to be Cheerful's Eric Krebs about the RHT and how critical it is to make hydro retrofits fish-safe.
https://reasonstobecheerful.world/hydroelectric-dam-turbines-fish-friendly/
Abe Schneider and Sterling Watson lay out the argument for FishSafe™ turbines in this paper published in The International Journal of Hydropower & Dams, Issue 5.