Signals Quotes
A bell rings to signal five minutes before class, marking the start of a new day. The quotes show how signals appear in biology, religion, and data, and how we must tell real signals from noisy patterns. They also note that emotions, frustration, and even a painful thought act as internal signals.
![“Magnitude may be compared to the power output in kilowatts of a [radio] broadcasting station; local intensity, on the Mercalli or similar scale, is then comparable to the signal strength noted on a receiver at a given locality. Intensity, like signal strength, will generally fall off with distance…” quote by Charles Francis Richter](https://sms4smile.com/q/img-quotes/fb0/charles-francis-richter-15733_broadcasting_magnitude-may-be-compared-to-the-power-o_594188.png)
![“So on the demand side [for energy], there have been a variety of policies that globally have been way over $50 billion a year of tax credits, raising the price of electricity through things like renewable portfolio standards, so the total amount of money that's gone into sending a price signal to…” quote by Bill Gates](https://sms4smile.com/q/img-quotes/cf4/bill-gates-137_amount_so-on-the-demand-side-for-energy-there-h_2440121.jpg)
