When we last saw [isaac879]’s levitating RGB time fountain, it was made of wood which meant that it would absorb water and didn’t really show off the effect very well. His new version solves this ...

When using stroboscopic lighting effects, a key concern must be safety. A proportion of people with photo-sensitive epilepsy may be affected by strobe lighting, and the effect may also produce ...

Greg Kessinger is SD&I’s fire alarm and codes expert and a regular contributor. Email him your fire & life safety questions at [email protected]. I recently ran into someone who had this story ...