The art installation is a portable laboratory made of 24-karat gold-plated hardware, a glass bioreactor and the bacteria, a combination that produces gold in front of an audience.
The cells that make the structures that hold tissues together are injected into a "bioreactor, " really a specially designed plastic box filled with netting made of suture material.
To duplicate that process in a laboratory, scientists uses a device called a bioreactor, which has various tubes ferrying materials to the heart and whisking away waste products.