Peichen Chang of Engineered Medical Technologies demonstrates a device called a tCheck which measures the level of cannabinoids, such as THC. Randall Benton The Sacramento Bee
Peichen Chang of Engineered Medical Technologies demonstrates a device called a tCheck which measures the level of cannabinoids, such as THC. Randall Benton The Sacramento Bee

How marijuana cookies led to a valuable device

November 24, 2017 03:55 AM