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Music at a concert, the noise of traffic and even the sound of your own voice can be used to charge a smartphone. A prototype device uses an innovative nanogenerator to power up from sound.

Finland has done a great deal of research into the culture of video games. Derek Fewster takes an archaeological-historical approach.

22-year-old Ksenia Konyuskhova studies in the Algorithms and Machine Learning subprogramme of the Department of Computer Science, University of Helsinki. She has also landed a job at Helsinki Institute for Information Technology HIIT.