The explanation Harriman gives comes from an old urban legend that, based on weight ratios to wing power and wind resistance, the bumblebees should be aerodynamically incapable of flight--yet, the theory says, the bumblebee doesn't know that, so it flies anyway.
The bumblebees should be aerodynamically incapable of flight. This is based on weight ratios to wing power. This is based on weight ratios to wind resistance. The explanation Harriman gives comes from an old urban legend this. The theory says. This is yet. The bumblebee doesn't know that. It flies anyway.