_:n4c47a4c909c54d1d99f7e695d360cab0xb0
<http://schema.org/description>
"You've heard of 3-D printing — now add one more dimension. Researchers are figuring out how to create structures that move and respond to their environment after they're printed."
<https://www.tpr.org/science-technology/2013-11-06/4-d-printing-means-building-things-that-build-themselves>