Apparatus for temporal immersion culture of cells

An apparatus for culturing cells comprising:

• A. A first container for holding culture media;
• B. A second container for holding the culturing cells;
• C. At least, one tube that connects a port in the first container to a port in the second container;
• and,
• D. A mechanism to move the first container vertically and cyclically from a position higher than the second container to a position lower than the second container, and viceversa;
• wherein the culture media on the first container migrates by gravity to the second container when the first container is in a position higher than the second container, and wherein the culture media migrates back by gravity from the second container to the first container when the first container is in a position lower than the second container;
• and wherein the first container moves independently from the second container.