“Now if you wanted to you could make something like that chair; each tile is mainly supported from the glass on the rock, with a little bit of range to move and crosslinked with the ones next to it.

“There's just one more basic element of forcepatterning. You can make connections that slow things down. This is how you make devices to collect energy.”

Here is another chair. He sits in it, and it inconveniently sinks slowly to the ground. He stands up, and it returns slowly to where it was.