According to Bloomberg Businessweek, Cincinnati is ranked as one of top 10 unhappiest cities in the US. According to research, Cincinnati has 186 cloudy and rainy days among the whole year averagely; bad weather is a very objective and important reason that people in this city are not with a sunny mood.
P&G headquarter located in downtown Cincinnati. As a huge manufacture of a wide range of consumer goods to improve people’s life around the world, can it do something toward the bad weather to bring people in Cincinnati some good mood?
Since the necessary prerequisites for the formation of the rainbow are water and light, a rainy day is a perfect timing for a rainbow forming in the daytime. The rainbow maker is an external device in the building, which contains two large prisms in opposite directions of the building. When it’s rainny, the interaction of light through the large prisms with air and water will lead to light refraction, resulting in an artificial rainbow. Therefore, a rainny day is not gloomy any more, rain can actually bring some colors and fun through this rainbow maker.
water vapor produces light refraction through the prisms, resulting in an artificial rainbow.