DW Tomorrow Today October 4, 2019 08:40:00
Their materials that are taken from nature that can be processed industrially rabbit is one for example as of things like coal oil and various types of or. mineral deposits often contain bone materials known as rare earths they are key elements in many high tech products scientists in germany are looking at how to ensure a steady supply. r.w. th often is the largest technical university in germany. scientists here are trying to find a solution to a global problem how to ensure the supply of rare earth they're using a common kitchen appliance to investigate alternate methods for industrial prod...
Source: archive.org