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

Abstract: Human modeling technology has a broad application background in popular fields such as security inspection, medical modeling, virtual fitting, and virtual human in the meta-universe.

For decades, humans have scanned for signals of alien technology emanating through the galaxy. The search highlights the contradiction between the abundance of planets and stars that stretch across ...

A House Republican lawmaker introduced a bill on Wednesday to crack down on states that give illegal immigrants commercial driver’s licenses, or CDLs. The House legislation, spearheaded by Rep. Andy ...

Since the first Search for Extraterrestrial Intelligence (SETI) experiment in 1960, scientists have been scanning the Milky Way for signs of advanced alien civilizations. They have looked for unusual ...

Chinese scientists' claims that their "Sky Eye" telescope could have picked up signals from intelligent aliens have been met with skepticism by an American colleague ...

President Trump on Thursday directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of public fascination — and spawned more ...

President Trump on Thursday said he will direct the Department of Defense and other agencies to release its files about UFOs and “alien and extraterrestrial life” to the public. “Based on the ...

After claims of possible life stirred global attention, scientists turned powerful radio arrays toward K2-18b. They searched across billions of frequencies for signs of technology. What they detected, ...