Tootfinder

Zero Waste-Wochen in der BHT https://weddingweiser.de/zero-waste-wochen-in-der-bht/

Hamilton-Jacobi Reachability for Viability Analysis of Constrained Waste-to-Energy Systems under Adversarial Uncertainty
Achraf Bouhmady, Othman Cherkaoui Dekkaki
https://arxiv.org/abs/2510.11396

Hamilton-Jacobi Reachability for Viability Analysis of Constrained Waste-to-Energy Systems under Adversarial Uncertainty
This paper investigates the problem of maintaining the safe operation of Waste-to-Energy (WtE) systems under operational constraints and uncertain waste inflows. We model this as a robust viability problem, formulated as a zero-sum differential game between a control policy and an adversarial disturbance. Within a Hamilton-Jacobi framework, the viability kernel is characterized as the zero sublevel set of a value function satisfying a constrained Hamilton-Jacobi-Bellman (HJB) equation in the vi…

Johannesburg is showing African cities how climate action gets done.
The city is racing toward net-zero by 2050 with bold moves: diverting 100% of garden waste from landfills by 2040, building micro-grids in informal settlements, and creating jobs while cutting emissions.
Their approach is becoming a model for scalable climate solutions across the continent.

Thermal gradient-driven skyrmion dynamics with near-zero skyrmion Hall angle
Yogesh Kumar, Hurmal Saren, Pintu Das
https://arxiv.org/abs/2510.07020 https://

Thermal gradient-driven skyrmion dynamics with near-zero skyrmion Hall angle
Thermal gradient driven skyrmion dynamics offers a promising route toward green spintronics, enabling the utilization of waste heat for information transport and processing. Using micromagnetic simulations, we investigate Neel skyrmions in a Co-Pt bilayer nanoracetrack and demonstrate that stochastic torques induced by a thermal gradient drive skyrmion motion toward the hotter region with a nearly vanishing Hall angle. The dynamics depends sensitively on intrinsic material parameters - the skyr…