Mobile Digititis

Stardate: Sometime in the future.

A man walks into an old folks home to visit his Father who has been a resident there for the past few years. Upon entering the 'Recreation Area' he sees a number of elderly people. Some are in wheelchairs, some in walkers and others are seated on various chairs and sofas. To a resident, almost all of them are looking at the palms of their hands and or making gestures with them. The man asks a nurse, "What is it they are doing? What do they think is wrong with their hands?" The nurse replies, "Oh, they don't think anything is wrong with them. They just all still think they are holding cell phones and texting their friends. A few decades ago everyone carried these devices all the time. Their brains are impulsively telling their bodies that they still are holding their phones since it was such a huge part of their lives."

Making Rotaries More efficient

Why aren't all rotaries designed to be more efficient? It seems to me that you could reduce the congestion in the rotary itself by diverting a proportion of the traffic before it reachs the circle. Obviously, there are your ever-present space restrictions and cost, but it could be a good solution for some of the rotaries I drive on. 

Energy

I was thinking alot about energy how we acquire and how we use it. This led me to consider how much energy the 7 billion of us exert and waste everyday. If we could instal some sort of padding on sidewalks that would compress when it was stepped on an actually generate a small amount of energy we, pedestrians all around the world, could give some