Abstract: In this paper, the actual operating condition of the pumping unit motor is analyzed. Through kinematics and dynamics analysis of the pumping unit, the mathematical relationship between the ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

A still image from the animation of RAD J131346.9+500320. Credit: RAD@home Astronomy Collaboratory (India). When astronomers first started finding “odd radio circles,” or ORCs, they were baffled.

Gardaí from the Armed Response Unit were deployed to a serious incident in Cork on Monday afternoon, with one person rushed to hospital. It is being reported that a man sustained a head injury in the ...