Scaling the walls as if they're lead climbing, the two robots anchor a thick cord to metal bolts. They pass the cord back and forth as they go, weaving one beautifully creepy -- and strong -- web in the corner. The bots are a University of Stuttgart design project created by artist and architect Maria Yablonina. It's a far cry from grandma's knitting session. https://www.livescience.com/55657-spiderbots-weave-weird-hammock-web.html