Massimo (@Rainmaker1973) Tweeted:
This material developed by University of Colorado Boulder can transform into complex, pre-programmed shapes via light and temperature stimuli, allowing a literal square peg to morph and fit into a round hole before fully reverting to its original form https://t.co/H2ro5LvWvP https://t.co/1BfHxZEaVf https://twitter.com/Rainmaker1973/status/1226438091667378177?s=20