Researchers aim to meld the best attributes of both the power-dense two-stroke and the vastly cleaner four-stroke engines.
Discover the step-by-step process of building a double shaft motor car in this comprehensive tutorial. Perfect for DIY ...
Abstract: A miniature single-piston valve flow-matching water-hydraulic pump is described in this paper, which designs with a unique double-face cam mechanism to achieve the reciprocating motion of ...
National Coming Out Day is Oct. 11. To celebrate and honor LGBTQ+ people who have come out and those who want to, NPR readers share how they told their loved ones.