institutes: the Swiss Federal Institute of Technology Zurich (ETHZ) in Zürich, founded in 1855 and the École Polytechnique Fédérale de Lausanne (EPFL) in Lausanne, founded in 1969, formerly associated with the University of Lausanne. Eight of the world's ten best hotel schools are located in Switzerland. In addition, various Universities of Applied Sciences are available. In business and management studies, the University of St. Gallen, (HSG) is ranked 329th in the world according to QS World University Rankings and the International Institute for Management Development (IMD), was ranked first in open programmes worldwide. Switzerland has the second highest rate (almost 18% in 2003) of foreign students in tertiary education, after Australia (slightly over 18%). The Graduate Institute of International and Development Studies, located in Geneva, is continental Europe's oldest graduate school of international and development studies. It is widely held to be one of its most prestigious. Science Switzerland has birthed many Nobel Prize laureates. They include Albert Einstein, who developed his special relativity in Bern. Later, Vladimir Prelog, Heinrich Rohrer, Richard Ernst, Edmond Fischer, Rolf Zinkernagel, Kurt Wüthrich and Jacques Dubochet received Nobel science prizes. In total, 114 laureates across all fields have a relationship to Switzerland. The Nobel Peace Prize has been awarded nine times to organisations headquartered in Switzerland. Geneva and the nearby French department of Ain co-host the world's largest laboratory, CERN, dedicated to particle physics research. Another important research centre is the Paul Scherrer Institute. Notable inventions include lysergic acid diethylamide (LSD), diazepam (Valium), the scanning tunnelling microscope (Nobel prize) and Velcro. Some technologies enabled the exploration of new worlds such as the pressurised balloon of Auguste Piccard and the Bathyscaphe which permitted Jacques Piccard to reach the deepest point of the world's oceans. The Swiss Space Office has been involved in various space technologies and programmes. It was one of the 10 founders of the European Space Agency in 1975 and is the seventh largest contributor to the ESA budget. In the private sector, several companies participate in the space industry, such as Oerlikon Space or Maxon Motors. Energy Electricity generated in Switzerland is 56% from hydroelectricity and 39% from nuclear power, producing negible CO2. On 18 May 2003, two anti-nuclear referendums were defeated: Moratorium Plus, aimed at forbidding the building of new nuclear power plants (41.6% supported), and Electricity Without Nuclear (33.7% supported) after a moratorium expired in 2000. After the Fukushima nuclear