Fresh milk, off the grid
Even though much of the population in developing countries is involved in agriculture, food security is virtually out of reach. Often the only resort is to purchase a cow, buffalo, or sheep, to provide a steady supply of fresh milk, a nutritious staple of a daily diet. But how to preserve it safely? Refrigeration and boiling are costly -- and often impossible due to sporadic electricity.
The answers may lie in new Tel Aviv University research published in Technology, which finds that short pulsed electric fields can be used to kill milk-contaminating bacteria. Through ...
