## The Cube Law of the Oceans
When you buy a TV from Asia, it arrives on an Ultra Large Container Vessel (ULCV) that is 1,300 feet long. Driving a skyscraper through water is a battle against fluid dynamics. The energy required to push water out of the way scales exponentially with speed.
### FAQ
**Q: Why do shipping companies purposely make their boats sail slower?**
A: The "Slow Steaming" Arbitrage. Because water resistance is cubic, a ship burning 250 tons of heavy fuel oil per day at 24 knots will only burn 105 tons per day if it slows down to 18 knots. Even though the slower trip across the Pacific takes 7 days longer, the ship burns 1,000 fewer total tons of fuel. At $600 a ton, the shipping line pockets $600,000 in pure cash simply by driving slower. This is why global supply chains are a mess: it is mathematically more profitable for ocean carriers to make your cargo arrive a week late than it is to arrive on time.