A learning object is a reusable unit of instruction for e-learning. In order to use it in different contexts, the presentation has to be separated from the content. which calls for specific data formats. SCORM is such a format.
... to a smaller extent by the slipping friction.
The device is covered by US patents 3,726,146 (1973) and 5,353,655 (1994) by L.A. Mishler and US patent 5,800,311 ...