電動飛機和大黃蜂不能飛

從這篇文章可以得到什麼：

• They were supposed to be impossible, but over one hundred are up there with around 1000 on order.
• Much the same thing is happening with fixed-wing battery-electric aircraft.
• For decades the theoreticians proved that bumblebees could not fly and were extremely irritated that they continued to fly anyway – using different equations.