While consumer fireworks are illegal in some of the 50 American states, licensed public displays are forbidden in none. Note: Unless otherwise specified, all sources are NOVA/WGBH. 2.-3.

"Typically, nova events are so faint and far away that it’s hard to clearly identify where the erupting energy is ...

Everyone loves fireworks, but it's safe to say that few love them as much as does Dr. John Conkling. An adjunct professor of chemistry at Washington College in Chestertown, Maryland, and a past ...