Geese-Inspired Towed Cargo Gliders

If you need to carry more cargo than your car can hold, you can use a trailer. This is more economical and logistically simpler than, say, adding a second vehicle and driver. Fascinatingly, this concept may soon be applied to cargo planes, thanks to a Texas-based startup called Aerolane. They were inspired not by U-Haul, but by geese, who fly in formation to save energy. (Stronger birds in the front deal with the bulk of the wind resistance, while the ones behind benefit from the...