Though they fell out of favor in the 1980s and 1990s, the retro chic of neon signs have made this century-old technology a popular choice for retail storefronts, restaurants and even service ...

Tom Wartman is standing over a rectangle of blue flame and bending glass in his hands. "This fire is about 1,500 degrees," he says casually. He quickly and deftly moves the glass arc from the flame to ...