Playing with building blocks for metamaterial design
Legos construction reveals clues to how vibrations travel through specialized structures
![Paolo Celli playing with LEGOs](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/03/031516_to_metamaterials_free.jpg?fit=860%2C460&ssl=1)
GROWN-UP TOYS Legos, a childhood toy for Paolo Celli of the University of Minnesota, are now a tool that he and colleagues use to explore the properties of metamaterials.
Tom Siegfried