Cormac Harris (2nd R) and Alan O'Sullivan (3rd R) react after being awarded the top prize for their joint project at BT Young Scientist & Technology Exhibition in Dublin, Ireland, Jan. 10, 2020. Cormac Harris and Alan O'Sullivan, both aged 16, will represent Ireland in the European Union Contest for Young Scientists which will take place in Santander, Spain in September 2020. (Photos: Xinhua)

Cormac Harris (2nd R, front) and Alan O'Sullivan (3rd R, front) react after being awarded the top prize for their joint project at BT Young Scientist & Technology Exhibition in Dublin, Ireland, Jan. 10, 2020. Cormac Harris and Alan O'Sullivan, both aged 16, will represent Ireland in the European Union Contest for Young Scientists which will take place in Santander, Spain in September 2020.

Cormac Harris (2nd R, front) and Alan O'Sullivan (3rd R, front) react after being awarded the top prize for their joint project at BT Young Scientist & Technology Exhibition in Dublin, Ireland, Jan. 10, 2020. Cormac Harris and Alan O'Sullivan, both aged 16, will represent Ireland in the European Union Contest for Young Scientists which will take place in Santander, Spain in September 2020.