美国科学60秒 SSS 2012-12-07

搜索关注在线英语听力室公众号：tingroom，领取免费英语资料大礼包。

 

It turns out that early depictions of four-legged animals walking are more accurate in some ways than modern ones—even those crafted by the Renaissance¹ master. The study is in the journal PLoS ONE. 

 

Without fancy cameras, we two-leggers can have trouble visualizing² the sequence of leg motion in a quadruped's gait. Hungarian scientists recently analyzed³ a thousand statues, paintings and other art created in prehistory or more recently. Specifically, the researchers checked how the legs of ostensibly moving quadrupeds hit the ground, to see if these depictions matched actual animal locomotion⁴.

 

Of course, 19th century photographer Eadweard Muybridge famously captured a horse's motion in stop-motion photographs. Artwork in the centuries prior to his photos got the legs wrong 84 percent of the time. The error rate dropped to 58 percent after his photos came out. But prehistoric⁵ artists topped all with just a 46 percent error rate. Perhaps those cave painters paid such close attention to detail because they wanted to avoid being starving artists.

分享到：