A new chip can cleanse water to be suitable for drinking. The eight inches of these (postage stamp sized) chips can produce four gallons of water per hour, while using as much electricity as a light bulb. If these things become mass produced and affordable, that'll rock the developing world! What a news report to hear in the same week as World Water Day.
These are my economic musings. Hopefully, as I learn economics, others will too.
I like to think of it as an "economic engineer." Economists really work with the nuts and bolts of the economy. Hopefully, I'll not only cover national economics, but local stuff too.