“It gave me new life.” At 75, Lorraine Cook became one of the first in Austin to receive a groundbreaking, non-surgical heart valve procedure. After surviving two heart attacks and open-heart surgery, ...

No? Nor had I until I started researching how to sharpen my old reel mower. I was up for anything if it didn’t involve loading the damned thing into the car and driving it across town for servicing.

Abstract: Each joint of hydraulic drive legged robot adopts highly integrated electro-hydraulic servo system, and the system has two common forms, namely, valve-controlled cylinder system and ...