Bone Densitometer (IMAGE) NASA/Johnson Space Center Caption The Bone Densitometer developed by Techshot, Inc. will enable X-ray testing for research studies aboard the International Space Station. Credit CASIS Usage Restrictions For news coverage in connection with this news story. 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.