African Technology: Electricity-Free Refrigerator

The Zeer was developed in 1995 by Mohammed Bah Abba, a Nigerian school teacher that hailed from a family of pot makers. The design is incredibly simple: a glazed earthen ware pot nestled inside a larger, porous one with a layer of wet sand separating them. As the water evaporates through the surface of the outer pot, it draws heat from the inner one, keeping up to 12kg food fresh for as long as three to four weeks without using a single watt of electricity.

READ MORE…

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s