FBI agents investigating the October ballot box arsons in Vancouver and Portland renewed requests for tips on Thursday, saying they’re seeking someone who is knowledgeable about explosives or thermite ...

Finely powdered aluminium can make almost anything more pyrotechnically interesting, from fireworks to machine shop cleanups – even ceramics, as [Degree of Freedom] discovered. He was experimenting ...

Last week, a new Transportation Security Administration (TSA) warning indicated there’s a “possible” threat – a threat not necessarily aimed at aviation – from Islamic State (ISIS) jihadists. Although ...

FBI agents investigating the October ballot box arsons in Vancouver, Wash., and Portland renewed requests for tips Thursday, saying they’re seeking someone who is knowledgeable about explosives or ...

Thermite, a powdered mixture that “consists of aluminum and the oxide of a metal such as iron,” is not to be trifled with. It’s used as a heat source in welding. But because it causes such an ...