11 points | by Bender 18 hours ago
1 comments
If you’re wondering what the trick is, it’s not perpetual motion. The train is loaded with ore and travels downhill, harvesting energy from regenerative braking. Then it returns empty uphill, using less energy than it gained.
If you’re wondering what the trick is, it’s not perpetual motion. The train is loaded with ore and travels downhill, harvesting energy from regenerative braking. Then it returns empty uphill, using less energy than it gained.