![The Discovery Files show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/014/590/small/the-discovery-files.jpg)
Summary: Two physicists at Washington State University have developed a concept for a 100% efficient, portable fuel cell that uses positrons from antimatter as its energy source.
Summary: Two physicists at Washington State University have developed a concept for a 100% efficient, portable fuel cell that uses positrons from antimatter as its energy source.