like a spiral staircase. This structure, announced in their famous paper in the April 1953 issue of Nature, explained how the DNA molecule could replicate itself during cell division, enabling ...

after being inspired by a spiral staircase and a double-headed drum. Associate Prof. Wu and the study team improved this creative strategy even more. This structure’s bilayer design is the main ...

This fancy, space-saving spiral staircase will adjoin two floors like the union of Houses York and Lancaster. Provides flexible access points and added management of your design.