Abstract: The inverse dynamics of the six degree-of-freedom (6-DOF) parallel robot (PR) presents an inherent complexity due to the closed-loop kinematic chains. To derive computational efficient ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Decluttering can be overwhelming. That’s why I’m such a fan of smart decluttering hacks that speed up the process and limit decision paralysis. I’ve found success with the “Take Away 10” method that ...

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Cellular membrane proteins play many important roles throughout the body, including transporting substances in and out of the cell, transmitting signals, speeding up reactions and helping neighboring ...

Daniel Day-Lewis can’t seem to stay retired. Anemone, his new movie, ends his second major hiatus from acting, this one lasting since 2017’s Phantom Thread. It also finds him not only writing for the ...

As Molly Hamill explains the origin of the Declaration of Independence to her students, she dons a white wig fashioned into a ponytail, appearing as John Adams, before sporting a bald cap in homage to ...

Cattle at a nature preserve in eastern Iowa appear to roam the land freely — no fences or cowboys on horseback patrol their movement.Instead, these cows wear special collars that keep them from ...

During the past year, more than 1,300 people entered a deflection program. Roughly 48% didn’t complete it. The remainder either did or are currently enrolled. One year ago, Oregon’s law ...