The first round of judging in the 2007 BT Young Scientist and Technology Exhibition begins on Wednesday, with final judging and the awards ceremony taking place on Friday.
The exhibition is open to the public from Thursday afternoon through to next Saturday.
Entry is €5 for students and €10 for adults. Family tickets are €25 and school parties of 20 or more are €4 per student. Primary school student tickets are €3.50.