Part Time Scholar

Ever heard of the Drake equation? Devised by Dr. Francis Drake in 1960, the equation estimates the number of extraterrestrial civilizations in our galaxy with which we might come into contact. The main purpose of the equation is to allow scientists to quantify the factors that determine the number of such extraterrestrial civilizations. The Drake equation states that: where: N is the number of civilizations in our galaxy with which communication might be possible; and R * is the average rate of star formation per year in our galaxy f p is the fraction of those stars that have planets n e is the average number of planets that can potentially support life per star that has planets f ℓ is the fraction of the above that actually go on to develop life at some point f i is the fraction of the above that actually go on to develop intelligent life f c is the fraction of civilizations that develop a technology that releases detectable signs of their existence into space L is the ...

Here is an interesting post on the use of special speed bumps to harness, convert and store energy from braking cars only to be released back to the grid. This seems like an interesting innovation that holds promise for the environment. I have always hated speed bumps with a vengeance. Next time I work the brakes on these bad boys however, I can take comfort in helping the world. Hopefully, this will become mainstream some day. -PTS