
Rain and sunlight are the key ingredients of rainbows, but many other environmental factors are required to consistently pull off this visual trick, as new research shows.
Source: Gizmodo – Why Rainbows Look Different in Hawaii

Rain and sunlight are the key ingredients of rainbows, but many other environmental factors are required to consistently pull off this visual trick, as new research shows.
Source: Gizmodo – Why Rainbows Look Different in Hawaii