In microcosm of sand, the writer-geologist conjures up the entire universe
The word “sand”, like the words “rock” and “dirt”, is a word that one acquires very early in childhood. Sand, rock, and dirt are ubiquitous materials that are the building…
The word “sand”, like the words “rock” and “dirt”, is a word that one acquires very early in childhood. Sand, rock, and dirt are ubiquitous materials that are the building…
Learning about rocks and minerals can be a lot of fun, but without a good book, you may find it difficult to learn how to identify various rocks, minerals, and…
The Badlands of America received their ominous name when the first settlers found them It’s impossible to safely roll a wagon across the cracked lunar landscape of the upper Midwest.…
Over the years I have been able to work on many different software projects. Some of these applications were standalone, others were client server applications that made good use of…
If you have read the previous article on the subject, I imagine you were very upset by the nature of its contents. How we use math to find a parking…
The last years of the twentieth century saw the development of universal secondary education in many countries. This means that all students, regardless of their ability or interest in mathematics,…
There is an ongoing PBS TV series (many books and also a website) called Closer to Truth. Hosted by neuroscientist Robert Lawrence Kuhn. He has appeared in one-on-one interviews and…
The next time you’re in line to use a portable bathroom at a fair, concert, or other event, you might want to use the math to choose a potty. Yes,…
Before the advent of universal secondary education, the mathematics teacher had a select group of students who were likely, in terms of Gardner’s multiple intelligences, to be the logical thinkers…
In the mid-1990s, the administration of the school where I taught decided to change from using 40-minute teaching periods to 70-minute periods. The administration was allowed to obtain additional teaching…