万花筒|kaleidoscope

万花筒是一种光学玩具，只要往筒眼里一看，就会出现一朵美丽的“花”样。将它稍微转一下，又会出现另一种花的图案。不断地转，图案也在不断变化，所以叫“万花筒”。

万花筒的图案是如何来的呢？原来是靠玻璃镜子反射而成的。它是由三面玻璃镜子组成一个三棱镜，再在一头放上一些各色玻璃碎片，这些碎片经过三面玻璃镜子的反射，就会出现对称的图案，看上去就像一朵朵盛开的花。
The kaleidoscope is a kind of optical toy, as long as go toward a tube eyes once the inside see, will appear a beautiful"flower" kind.The pattern turning a little bit it once, appearing another floriculture again.Turn constantly, pattern also is changing continuously, so call "kaleidoscope".

Is the pattern of kaleidoscope to how comes?Depend a glass mirror a glint but become.It from three noodles glass the mirror constitute a prism, putting up some each color glass fragments in a head of again, these fragments pass by three noodles glass the glint of the mirror, will appear symmetry pattern, have a liking for to be like a flower that blooms.