Keystone Electronics’ 3557-2 fuse holder minimizes the need for design engineers to design and test multiple fuse holders to accommodate Littelfuse ATO 257 Series, Bussman ATC Series, Littelfuse low-profile mini 897 series and equivalent style fuses. A standard footprint simplifies the board design process and allows for flexibility in designing for circuit protection. Keystone says the fuse holders reduce the amount of necessary production components and give design engineers the ability to design high- or low-profile fuses at the beginning of their design cycles.
Two different shape-shifting polymers have been announced from two different universities: Wyss Institute at Harvard University and Zhejiang University in eastern China. Both of them change their shapes when immersed in water, and the one from Wyss Institute was made with 3D-printing techniques.
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