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

“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 ...

In football, defense keeps the opposing team in check. A similar strategy is at play inside our cells. Negative feedback loops (NFLs) help regulate how cells respond to signals, for example, dialing ...