“The only way to discover the limits of the possible is to go beyond them into the impossible.” – Arthur C. Clarke Even worse: some of these laws go back decades with little to no effort to improve ...

Engineers use feedback loops — typically negative feedback is more useful, but positive feedback is needed for oscillators.

When a human sustains a wound that pierces the skin, the process of blood clotting begins. The damaged cells release chemicals that activate platelets in the bloodstream. Not only do platelets begin ...

Crime is down in cities around the country, including the District, where homicides are on pace to hit their lowest level in almost half a century in 2009. Matt comments: In his excellent forthcoming ...

Memories may be maintained in the brain through a mechanism familiar to any engineer — negative and positive feedback loops, according to researchers Sukbin Lim and Mark Goldman at the UC Davis Center ...

Negative feedback is a universal control mechanism that lets a system's output throttle its input. If an engine revs up, negative feedback tapers its power source. But if the engine slows down, it ...