Not only are these proteins assembled with different amino acid sequences, but they also are held together by different bonds and folded into a variety of three-dimensional structures. The folded ...

3. Validation of the novel pancake optics. (a) Folded laser beams in the novel pancake optics system. (b) Input image in the micro-OLED panel. (c) folded images in the novel pancake optics system.

A proper USB-C cable should use a one-piece shell rather than a folded shell with a visible seam in it. None of the cables we purchased used the lower-strength folded shells. Further reading ...