Korean researchers are developing seafaring robots that can shred jellyfish, which have interfered with nuclear power plants around the world.
South Korea has launched the world's first road-powered electric vehicle network to charge public buses while they're on the move.
Small and light all-electric car can fold down to almost half its length for easier parking. Speed demons might want to look elsewhere, however.
Vehicles with sensor-driven magnetic devices on their underside suck up energy as they travel over the strips embedded just under the road surface.