Pppe-120

Could you please provide more context or clarify what PPPE-120 refers to? This will help me give you a more accurate and helpful response.

She proposed a radical plan: feed the nanobots a controlled set of synthetic “instruction proteins” that would embed a safety protocol—essentially a kill‑switch that would only activate when a specific, unlikely environmental signal appeared (the presence of a rare isotopic marker they could introduce later). In the meantime, they would monitor the growth and attempt to steer its development toward beneficial structures, such as self‑healing soil binders and carbon‑sequestering towers. PPPE-120