Although Thomas Edison is credited with inventing the light bulb, he was not the only one who worked to create this revolutionary technology. Discover the history!
Researchers from the Barcelona Institute of Materials Science (ICMAB-CSIC) create a cellulose device that could be used to generate electrical energy in all kinds of applications.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.