Rudolf Arnold studied mathematics and physics at the University of Ulm and became a teacher at a vocational grammar school. Since 1980, he has conducted several media education projects. He was cofounder of Radio free FM, which got on air in 1995. In 1996, he produced an award-winning radio feature about ecstasy.

Since 2006, he has been a successful Cosplayer. In the role of Hatsune Miku, a teenage virtual Japanese popstar, he was an essential part of the international performance Still Be Here.In 2013, he joined the smart fashion community. Since 2014, he has been an experimental musician. In 2016 and 2017, he won awards at Fashion Hack Day Berlin.

2018, he created a novel sensor with sex researcher Dr Nicole Prause. This sensor became the key component of a system for the sonification of sexual arousal and was presented at the 4th International Congress on Love and Sex with Robots. The PLAY ME system was also presented at the 4th interdisciplinary conference Taboo – Transgression – Transcendence and at the 1st Experimance Festival Saarbrucken. At the 7th International Congress on Love and Sex with Robots, he presented his first thoughts about a Pleasure Spacesuit Prototype. Parts of this work and PLAY ME were included in a Convergence Seminar 2023 Antwerpen presentation. During an art show at the Interdisciplinary Conference Taboo – Transgression – Transcendence in Art & Science 2023 in Malta, he presented the narrative audio Cosmic Caresse, which is based on his current fashion and research project, A Multisensory Pleasure Suit for Space Sexology and Earthly Delights.