nextstep-hacks

Volta turns every EV into a backup battery for the city. A real-time power-traffic co-simulation platform with vehicle-to-grid energy trading, dispatching stored energy back to the grid in under 2 seconds when substations fail. Built with PyPSA, SUMO, and Flask.

Pelago finds illegal water-adjacent dump sites from space. A two-stage ML pipeline on Sentinel-2 imagery that screens entire regions for unregulated waste — pixel classifier, patch classifier, and analyst validation producing a live, monitored inventory of 4,700+ sites.