![RNZ: This Way Up show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/011/584/small/this-way-up-with-simon-morton.jpg)
Summary: Professor David Edwards of Harvard University is working on a new form of edible, washable food packaging called wikicells.
Summary: Professor David Edwards of Harvard University is working on a new form of edible, washable food packaging called wikicells.