The applications include several ones of his own inventions, including: fluctuation-enhanced sensing; noise-based logic and computing; unconditionally secure communications (KLJN); physical communications without emitted signals; unconditionally secure computers, hardware, credit/debit cards and physical unclonable functions (PUF). He was the recipient of the Benzelius Prize of the Royal Society of Science of Sweden (2001); the Doctor of Science (Physics) title from the Hungarian Academy of Science (2001); the Honorary Doctor title from Uppsala University, Sweden (2011); the Honorary Doctor title from University of Szeged, Hungary (2012); the Honorary Professor (2013-2016) and the Distinguished Guest Professor (2015-2018) titles from Hunan University, China; and the Medal of Honor from the Technical University of Gdansk, Poland (2017). Up to now (2022), he has published 236 peer reviewed journal papers; 6 US and 3 Swedish patents; 1 monograph; 17 edited books or proceedings; 67 invited and 90 regular conference papers. He founded the journal Fluctuation and Noise Letters (Editor-in-Chief: 2001-2008; currently: Honorary Editor); the conference series Unsolved Problems of Noise (first Chair: 1996, Szeged); and SPIE’s “Fluctuations and Noise Symposium” series (Symposium Chair: 2003 – Santa Fe, 2004 – Canary Islands, and 2005 – Austin, TX). He co-created and co-chaired the conference  “Hot Topics of Physical Informatics (HoTPI)”, 2013, Changsha, China.