A sensor (100) for detecting a rotational movement or an angular acceleration comprises at least one heating element (108) and at least one sensor element (110, 112) and a fluid surrounding the heating element (108) and the sensor element (110, 112), the heating element (108) producing in the fluid a...http://www.google.com/patents/US20020189349?utm_source=gb-gplus-sharePatent US20020189349 - Sensor for detecting a rotational movement or an angular acceleration
