Proper bearing selection depends on load analysis, speed requirements, precision needs, and environmental conditions to ensure system reliability and efficiency. Ball bearings offer high precision and ...

Abstract: This letter proposes a gain optimization design method for an interval observer (IO) of discrete linear time-invariant (LTI) systems. First, in order to describe the quality of interval ...

A group of researchers in China has designed the world’s first lunar timekeeping software to help synchronize our clocks with the Moon. As the global race to build a human habitat on the Moon heats up ...

Abstract: The state estimation problem of linear time-invariant (LTI) systems is investigated in this article. Distributed observers are designed to estimate the complete states of LTI systems under ...

The most tragic event in modern astronomy isn’t a funding cut or a launch failure. It is a “missed connection.” Right now, a neutron star collision somewhere in the distant universe is blasting out a ...

You’ve probably had that eerie feeling before—knowing what’s about to happen before it actually does. Coincidence? Or something deeper? In Pop Mech Explains: Precognition, host and contributor ...

QTPIE turns the driving exam into a phone on the dashboard: its dual cameras and sensors watch road and driver, scoring speed, head-turns, and lane discipline while an AI voice guides each maneuver ...

It’s a big day for iPhone owners around the world today. That’s because Apple will release the iPhone’s new iOS 26 operating system to the public. iOS 26 sports the most significant redesign to the ...

Astronomers have spotted a planetary system being conceived from the swirl of gas and dust surrounding a star — giving us an unprecedented, real-time look at how our solar system would’ve formed some ...

A newborn planetary system is forming around HOPS-315, a protostar (one that recently formed) that sits some 1,300 light-years away in the constellation Orion the Hunter. This star isn’t in the ...