Solid state lighting has made great advancements in the lighting field, but we still need to be attentive lighting quality and not get swept in by economic factors like cost & efficacy. Stroboscopic flicker has creeped back after it was eliminated from fluorescent lighting. Stroboscopic flicker what is it? How can we recognize it as designers and how do we decide where it is and is not acceptable (in architectural & automotive settings). We’ll present a few sample strobing rates for demonstration purposes. Presented by: Natalia Lesniak