Interesting Engineering on MSN

Single string pull turns flat designs into 3D structures for modular space habitats

When a user pulls the string, the structure moves smoothly into its final 3D form. If the user releases the string, the ...
Ars Technica

What to use for cable pull string?

Just wondering what folks' go-to "string" was for pulling runs through existing house walls. I thought (hoped?) that what appeared to be conduit into my house's wiring box went all the way to the ...