The Tough (even plastics) get going when the going gets Tough

Duke University researchers come up with a new plastic that actually becomes stronger when stressed. Cell phone body may be a good application for this.
<a href="https://www.extremetech.com/extreme/165457-new-plastic-becomes-stronger-when-stressed-drop-proof-smartphones-incoming?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+ziffdavis%2Fextremetech+%28Extremetech%29" target="_blank" rel="nofollow noopener noreferrer">New plastic becomes stronger when stressed, drop-proof smartphones incoming | ExtremeTech</a>