A more thorough explanation:

Scaling law is a set of rules that helps adjust the differences in value between two things. This is often used when there is a difference in value between paper money and coins.

For example, after the American Revolution and the Civil War, paper money lost value and coins became more valuable. To make sure that people could still use paper money, scaling laws were put in place to adjust the value of paper money so that it was closer to the value of coins.

Another example of scaling law is in the field of physics. Scientists use scaling laws to understand how things change as they get bigger or smaller. For instance, if you want to know how much weight an ant can carry, you can use a scaling law to estimate it based on the ant's size.

Overall, scaling laws are important because they help us understand how things change as they get bigger or smaller, and they help us adjust for differences in value between different things.