Channels that talk about technology

What can we learn from the history of technological revolutions? Why is there so much populism now? Why do we experience major financial bubbles? And how to move towards a green global golden age of the information revolution? Carlota Perez, one of the world’s foremost experts on the impact of technical change on the economy, discusses these questions in the first episode of TheOtherSchool series. Carlota Perez is a Professor at TalTech, Estonia, and an Honorary Professor at University College London, UK.

A low head, medium power, ultra low cost, and low tech hydro turbine can be built for less than $50. It can be plugged into any suitable canal and is made entirely of off-the-shelf and recycled materials, as well as simple hand tools. From a 2 meter drop at about 50 liters per second, aim for 200 to 500 watts of power/ 5-12 kWh each day.