A flashlight that carries its own weight
Every once in a while I hear an idea, smack my head, and “why didn’t I think of that?” The GravityLight is one of those brilliant ideas. The problem: batteries and fuel, typically kerosene, are …
Tag: Big Ideas
Cell phones vs Malaria
Malaria has been a notoriously tough disease but researchers have finally figured out a way to track potential flows of malaria. The key to solving the problem is cell phone data. Using (anonymous) tracking data, …
Economics takes on traffic
Traffic is a constant problem in the world’s biggest cities and it is only going to get worse. That is, unless the good people at Stanford have anything to say about it. They aren’t tackling …