Konstantinos Giapis spark (IMAGE) California Institute of Technology Caption Konstantinos Giapis looks at the model of the Hindenburg's skin and frame as a spark forms between them. Credit Caltech Usage Restrictions Must give credit to Caltech License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.