What is the difference between military and commercial engines? The answer is either a lot or not much at all, as it depends on what military aircraft you are talking about. Fighter jet engines are ...

The two most common motorized vehicles you are likely to see on the road today are cars and motorcycles. That's not exactly a controversial statement, nor is it breaking news. All the same, you've ...

As you might expect from its name, the "Difference Engine" is a strangely difficult object to describe. You might start by imagining the side of a large crib with uprights ringed by small metal wheels ...

A note on the value of money in the nineteenth century -- pt. 1. The difference engine -- ch. 1. The tables crisis -- ch. 2. A personal question -- ch. 3. Tragedy and decline -- ch. 4. Miracles and ...