The DeWalt 20V Max Jig Saw is now on sale for $99 on Amazon—its lowest price since last year. Shoppers say it "cuts straight and even" on each pass. "It feels well balanced and is easy to control." ...

Perfect fit: Device schematic and fabrication process flow of the mortise-and-tenon memristor. (Courtesy: Weiqi Dang et al. Science Advances 11 18 DOI: 10.1126/sciadv.adu3309). Researchers in China ...