Engineering Explained’s first video is a delightful piece of nostalgia.

Jason, otherwise known by his youtube alias, has one of the most successful engineering channels in the whole site, with his first video being filmed with a shoddy camera, and a magnificent explanation of what torque and horsepower are and how they correlate.

Complete with weird lighting, a bowl cut, and not nearly as much grey hair, this oldie sure is the one that started it all.

With the channel growing bigger every second, as it recently reached half a million subscribers, let’s take a moment to remember how is started.

Nostalgia is but a thing of the past.

Watch the video below.