There is an impending sand shortage...no, really! The special sand (no, really!) that is suitable for making concrete is getting harder to find (seriously!). No matter the cause—rising sea levels, greater use, inadequate old-timey chain gangs breaking rocks–university innovation to the rescue! The gang discusses ways to replace sand in concrete and the hottest new career field of the 2040s: robotic sand mining submarine robot operator.  

Featured Technologies: We’re running out of sand: https://www.forbes.com/sites/lauriewinkless/2019/08/22/were-running-out-of-sand-and-cities-are-to-blame/#5a0224ff1240; Sturdy Sand Recovery Robot Submarine: https://patents.google.com/patent/CN107117276A/en?oq=CN107117276A; Recycling plastic to make cement: https://www.bath.ac.uk/announcements/waste-plastic-in-concrete-could-help-support-sustainable-construction-in-india/  


Hosts: Charlie Litton (@charlielitton); Tyler Scherr (@dare2scherr); Joe Runge (@EntreprenurialW)  


Sponsor:  UNeMed (https://www.unemed.com); @UNeMed 


Music: Countdown to Myocardial Infarction, by Peter Gresser. Used with permission. http://sonofactori.com/