Science Sundays: Explore how you see a rainbow. This applet lets you choose your view. bit.ly/1DbWDM1 pic.twitter.com/74Ocodw5rf
vallie?さんがリツイート | 40 RT
Science Sundays: Explore how you see a rainbow. This applet lets you choose your view. bit.ly/1DbWDM1 pic.twitter.com/74Ocodw5rf