Soap company uses bacteria-coated billboards to prove how dirty your stuff is

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Soap brand Lifebuoy has launched some truly grimy billboards.

The company’s new shopping mall ads are essentially giant Petri dishes in which bacteria swabbed from everyday objects grows before the eyes of passers-by over the course of days.

The end result is a colorful pattern of living bacterial colonies splayed out around their comparatively small source.

A time-lapse of the bacterial growth

A time-lapse of the bacterial growth

Image: the electric factory

The stunt is intended to demonstrate on a super-sized scale the amount of bacteria and fungi that lurk unseen on household items like smartphones, dollar bills and game controllers.  Read more…

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