From https://news.ycombinator.com/item?id=40335733 https://news.ycombinator.com/item?id=40335733 : > "Making hydrogen from waste plastic could pay for itself"

From https://news.ycombinator.com/item?id=40335733 https://news.ycombinator.com/item?id=40335733 : > "Making hydrogen from waste plastic could pay for itself" (2024) https://news.ycombinator.com/item?id=37886955 https://news.ycombinator.com/item?id=37886955 ; flash heating plastic yields Graphene and Hydrogen > "Synthesis of Clean Hydrogen Gas from Waste Plastic at Zero Net Cost" (2023) https://onlinelibrary.wiley.com/doi/10.1002/adma.202306763 https://onlinelibrary.wiley.com/doi/10.1002/adma.202306763 "Fungus breaks down ocean plastic" (2024) https://news.ycombinator.com/item?id=40676239 https://news.ycombinator.com/item?id=40676239 What does "Zero Net Cost" mean and how does that relate to margin?