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In 2008, the team led by Professor Elvira Fortunato of the Faculty of Science and Technology (FCT) of Lisbon’s Universidade Nova publicly announced the creation in a laboratory of the first paper transistors. Since then, they have participated in international projects with companies aiming to develop a paper with suitable properties for electronics. This discovery was regarded as being revolutionary worldwide because “for the first time it was proved that cellulose paper could be considered an electronic material. To make a transistor, you need insulating, conducting and semi-conducting materials. In this particular case, the cellulose represents the transistor’s insulating material” …