translation.en: What we do is we get a great big polarization filter, pop the beetle underneath it, and the filter is at right angles to the polarization pattern of the sky.
translation.zh: 我们找到一个很大的偏振光滤镜， 把它罩在蜣螂上面，把偏振光滤镜调整到 跟大气中的偏振光对应的角度