Afternoon Delight is a daily diversion for when you’re just back from lunch, but not quite ready to get down to work. Check back weekdays at 1 p.m. for another one.

OK, so there’s no pre-show lecture here, no major scientific principle being demonstrated other than how wicked cool a laser can be. We’re just talking about things going poof! up in flames but doing it beautifully and slowly:  p o o o – o o o f!