Darkmatterclip3 (VIDEO) Lancaster University This video is under embargo. Please login to access this video. Caption Dr Dimitry Zmeev from Lancaster University explains more about ultra low temperature research involving superfluid helium Credit Hamster Productions Usage Restrictions none License Original 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.