Manufactured Rainbows

Why wait for old nature to give us rainbows when we have so many ways of making our own? The image above shows solar-powered installation that uses recycled rainwater to create on-demand rainbows in Omaha, Nebraska.

But if you need something more mobile this is also an option. The video above shows a guerilla style drive-by rainbow graffiti.

Or what about a portable rainbow for when you need some color on the move?

Image source.