Hundreds of students from schools all over the country are displaying their scientific savvy at the BT Young Scientist Exhibition in Dublin.
A record 2000 projects were submitted this year - the 50th anniversary of the event – which opens to the public tomorrow.
Some 550 projects in science and technology will face the judges today - with the winners announced on Saturday.
Juliette Gash reports from the RDS in Dublin;
Pictured are; L to R; CEO of BT Ireland Colm O'Neill, and last year's overall winners Ciara Judge, Emer Hickey and Sophie Healy-Thow from Kinsale Community College in Cork
