Long Reads

Longer explainers,
fewer dead ends.

Deeper how-tos, history, and tech explainers from the Make Tech Easier editorial team. Pieces here get extra research and review.

Tech Explained

When you type an address into a browser, your computer asks a DNS resolver for the site's numeric address, and the answer usually comes straight from that resolver's cache — the 13 root server clusters at the top of the naming system get consulted only when the cache runs dry

Every web address hides a lookup that most people never see. Behind it sits a hierarchy of caches, resolvers, and 13 root server clusters that quietly hold the internet's naming system together.

Tech Explained

In 1947, Harvard’s Mark II ran on roughly 13,000 electromechanical relays, stored numbers across 100 registers, and read instructions from punched paper tape, turning thousands of clicking metal switches into a Navy calculator vulnerable to dust, loose contacts, and one famously misplaced moth

The famous moth in the Harvard logbook is often told as the origin of the word "bug" in computing. The truth is more interesting: the joke only works because engineers had already been calling faults bugs for more than sixty years.