TitleDate
Disposable RazorFeb 25, 2017 Listen
ClockFeb 18, 2017 Listen
GoogleFeb 11, 2017 Listen
InsuranceFeb 04, 2017 Listen
PaperJan 28, 2017 Listen
AntibioticsJan 21, 2017 Listen
Billy BookcaseJan 14, 2017 Listen
The CompilerJan 07, 2017 Listen
M-PesaDec 31, 2016 Listen
The LightbulbDec 24, 2016 Listen
The BankDec 17, 2016 Listen
The BarcodeDec 10, 2016 Listen
The iPhoneDec 03, 2016 Listen
ConcreteNov 26, 2016 Listen
The Shipping ContainerNov 19, 2016 Listen
The Haber-Bosch ProcessNov 12, 2016 Listen
The Diesel EngineNov 05, 2016 Listen