Recent content by Bob David

I do a lot of school retrofit lighting systems and very often our customers are looking for a relatively low cost but relaible way to transition to LED from a traditional dimming system including the simple 600w type wall dimmers. often the school electrical contractor can bypass/remove the old...

Years ago I had to make a pair of pants that could "fart green smoke" for a chili cookoff event. I had finished the prototype when the effect was cut from the show but it used SpectraSmoke cookies from TriEss Science. However that is still a pyro effect and probably a pain in the ..... to deal...