Annagh Minchin from Alexandra College Dublin won the top prize at the 1990 Young Scientist Exhibition for her study of an immigrant sea algae.

Report shows Annagh Minchin's project display.

Interview with Annagh Minchin, on her project on the habits of the algae, Colpomenia Peregrina, commonly known as Oyster Thief.

Runner up project by Justine Mcilroy, Loreto College, Coleraine, and other award winning projects.

Exhibition hall and young people working on projects.

Jessica Kiang, Alexandra College and Claire Callan, Our Lady's School, Terenure explaining their projects.

Aer Lingus 737/400 aircraft taxiing on the tarmac of an airport.

Andrew Kelly standing beside a CFM 56 3B2 plane engine.

Interview with Donal Dowling, Chairman of the Judging Panel, who says he has no doubt that some of the 500 projects on display will prove commercially viable.

Project from European students.

Interview with Margaret Coyne, Exhibition Director, on the possibility of extending the international aspect of the exhibition.

More projects on display at the exhibition.

The reporter is Andrew Kelly.

To reuse or license RTÉ content please contact archivesales@rte.ie