I was sorry to see Showtime’s “Penny Dreadful” end, but glad that History’s “Vikings” will be back this month for a fifth season. On the surface, “Dreadful” was something of a high-brow horror show, ...

There’s been a spate of apocalypse related articles over the last few weeks, but when I saw an AM radio made from a hand-wound coil and an oxidized British penny, I couldn’t help but be impressed.