
Electrical Energy Fundamentals While energy generally flows in one direction through the network of wires in your home — from the grid, towards your outlets — they don’t have to. You could plug a generator into any outlet in your home (but don’t do this, it’s dangerous) and energy flows “backwards” from that outlet to…
Words gave us the ability to effectively share ideas and knowledge, and writing allowed those words to spread further and be carried across time. The printing press accelerated that spread, and electronic mediums allowed even more people to share ideas more quickly. Yet articles and books — even e-books — are still largely static and…
Getting someone from point-A to point-B will often — even in the distant future — involve a variety of methods of transport. For example, getting someone from their home in San Francisco to an office in Los Angeles might primarily (the majority of the distance) be served by something like high-speed rail or Hyperloop. However,…
When a client requests a resource from an HTTP server and it’s not allowed to access that resource, the client needs to know enough about why in order to present the right message or options to the user. Basically, we need to know whether the user can do something about it or not. HTTP status…