Click and release: Experimental set-up used to constrain click beetles during X-ray synchrotron imaging at the Advanced Photon Source. (Courtesy: John J Socha) Click beetles use the elastic recoil of ...
Fiskars. has filed a patent for a blade dispenser featuring a housing with a lid for arranging blades in a stacked configuration. The dispenser includes a spring element, protrusion, latch, and exit ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果