taken from http://www.sciencetunnel.be/english/Default.asp
De UHasselt and the Max Planck Society Present Science Tunnel A fascinating journey through science The Science Tunnel is a unique multimedia exhibition of the Max Planck Society. On a surface of 1000 square metres, you can come in contact with the latest scientific discoveries and the technologies of tomorrow. Fascinating images, video clips and interactive exhibits take you on a journey from microscopically small particles to far-away star systems. You can visit the Science Tunnel from 23 August up to 10 October 2008 in the Studio of the Ethias Arena in Hasselt. Openinghours: every weekday from 9.00 - 18.00 weekends from 10.00 - 18.00 On 12 and 26 September and on 3 October the exhibition will be open till 23.00. FREE entrance! Schools and other groups (from ±10 people onwards) should preferable register. Guides can be booked through the same channel. A guided tour costs 50 euro (max. 15 people per guide). In case you want to use the opportunity to explore the city of Hasselt and surroundings before or after your visit to the Science Tunnel, you can get an overview of different possible options at www.hasselt.be.