NK23 MySpot resistance spot welding machine from Koyo Giken. According to the company, the system delivers superior weld ...
On the move: a droplet that has propelled itself in a channel made from two clamped coverslips. (Courtesy: F Box/University of Oxford) Droplets of both oil and water will move along specialized narrow ...
Rivers can respond to local surface uplift or depositional blockage by incision of a narrow channel, but the resulting gorges are often temporary features. Although fluvial downcutting, channel ...