#physicsmathchemistry

How small is "nano"? Just how small is “nano”? In the International System of Units, the prefix "nano" means one-billionth, or 10-9 (0.000000001); therefore one nanometer is one-billionth of a meter. It’s difficult to imagine just how small a scale that is, so here are a few examples to put it in perspective: A sheet of paper is about 100,000

Galton's Paradox Explained Galton's Paradox supposes you have three fair coins.  Necessarily, two sides will match (ie:  two will be heads, or two will  be tails).  It's an even probability that the third coin will be a head or tail.  Therefore, the chance that all three will match is 1/2.       Is our solution correct? Quite obviously no

What are your chances of dying? While the average life expectancy in the United States is 78 years, the leading causes of death are typically related to health. Heart disease, cancer, stroke and diabetes are some of the most typical causes. Accidents do cause a large portion of deaths, however. Most people are afraid of recreational activities, su

A Perspective on Time [infographic] A Perspective on Time is an infographic that puts laaaaaarge time scales into perspective using a series of stacked bar charts. Starting with 24 hours, and building up to the life of the universe, each horizontal bar represents a new, larger time scale that incorporates the prior bar for context. Humans ar

A Perspective on Time [infographic] A Perspective on Time is an infographic that puts laaaaaarge time scales into perspective using a series of stacked bar charts. Starting with 24 hours, and building up to the life of the universe, each horizontal bar represents a new, larger time scale that incorporates the prior bar for context. Humans ar