Happy landings

时间:2019-03-06 08:10:05166网络整理admin

By Rachel Nowak in Melbourne THE technique honeybees use to touch down smoothly could be an ideal way to control pilotless planes as they land, say Australian scientists. A team led by Mandyam Srinivasan of the Australian National University in Canberra monitored the flight paths of six bees as they made over 100 landings on a flat surface. They found that, as they descended, the bees’ flying speed was always proportional to their height—and this gave them the clue to the simple trick they were using to land safely. As you travel along, the closer an object is,