The CALMAST team were out in force once again at the SPRAOI Festival in Cathedral Square, Waterford City.  They have been a cornerstone of this vibrant three-day August bank holiday weekend celebration since 2010 and this year marks the thrilling 15th anniversary of CALMAST STEM STREET at SPRAOI! Each year, the team captivate the crowd with interactive STEM experiments, mind-bending puzzles and playful performances with support from Physics Buskers, Sanofi, Teva and Haleon and students and post-graduates from SETU University.