" It's kind of an engineering method to look at species as highly sophisticated engines," said Peter Dabnichki, a professor of mechanical engineering at the Royal Melbourne Institute of Technology in Australia....
Since drag and propulsion work against each other, combining the numbers can reveal how well something swims. All birds are naturally fairly buoyant--they need superior swimming abilities to overcome this buoyancy and propel themselves downward....
So it takes a good swimmer to dive
综合
ABC新闻-技术新闻
2022-01-16 00:00:00.0