Abstract: During laser welding, the penetration state (not penetration, moderate penetration, excessive penetration) is a key indicator affecting the welding quality. Traditional photoelectric signal ...

Donald Trump reveals plan to tackle energy bills for millions PBS weekend newscasts shut down due to funding cuts, replaced by single-topic programs Trump has three strike options that would aid the ...

ATLANTA — If the sky looks a bit brighter that's because December’s full moon — known as the Cold Moon — is shining. The Cold Moon gets its name because it rises just days before the winter solstice, ...

Getting your Trinity Audio player ready... Fifty-two years after her death, the Weld County Sheriff’s Office is seeking help in figuring out how a California woman with seemingly no ties to Colorado ...

The word “welding” conjures images of red-hot steel, molten metal and flying sparks. However, there is a type of welding that occurs with no heat: cold welding. Most welding processes require heat ...

Univ. Lille, CNRS, Centrale Lille, Univ. Polytechnique Hauts-de-France, Junia-ISEN, UMR 8520 - IEMN, F-59000 Lille, France ...