The Magnetic Stretcher (IMAGE) CNRS Caption The magnetic stretcher: this all-in-one system can both form and mechanically stimulate an aggregate of embryonic stem cells. The two micromagnets, one of which is mobile, frame the resulting embryonic body, and cyclical stimulation can be adapted to the type of tissue being sought. Credit Claire Wilhelm / Laboratoire Matière et systèmes complexes (CNRS/Université Paris Diderot). Usage Restrictions None 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.