Knowledge graphs represent structured networks of diverse possible entities, e.g. objects, events, situations or concepts, and visualise semantic relationships between them. The development and use of knowledge graphs is particularly interesting in the context of artificial intelligence. Disvover relevant videos, mostly recordings of talks, for an overview as well as for in-depth study:

Founded by United Nations, since 2015 every year in February, the International Day of Women and Girls in Science is celebrated. In the TIB AV-Portal several videos, especially talks, covering and discussing the role and meaning of women in science and in technlogy can be found. They are worthy to watch, not only on the occasion of that special day:

In this instructive lecture as part of the Master's degree programme in Mechanical Engineering at the Ruhr University Bochum, Prof. Christian Doetsch covers the basics and in-depth details of batteries, power plants etc. in a comprehensive and understandable way: