ClickDeeper

What it is

ClickDeeper is an interactive STEM learning site: see the math, feel the physics, build the intuition.

Each concept is an interactive lesson: a live visualisation to play with, a step-by-step explanation and a short quiz.

Where it stands

More than 350 interactive concepts, live since February 2026.

ClickDeeper keeps growing: new concepts and improvements go live every week.

Visit ClickDeeper

Try it here

Four of ClickDeeper's concepts, live. Play with them right here.

Who steered it

Its owner set the direction, which subjects to cover and what a good lesson should feel like, and Zefana carried the work.

Use cases and capabilities that point to this build

• Keep a live product maintained, month after monthKeep a product that is already live improving and in good repair, with small fixes and improvements arriving steadily and no team for you to manage.
• Release every week instead of dreading release nightYour releases are rare, large and nerve-racking, so finished features wait for them. Move to small releases that go out often, where a release that misbehaves does not stay in front of your users.
• Build a new product without hiring a team firstYou have a product in mind and no engineering team yet. You set the direction, the product goes live, and it stays yours to run, grow or hand on long after launch day.
• Broken releases repaired, not just revertedGoing back to the previous version is half the story. The fix follows, arriving in your repository as a change your team can read, and a working release goes out after it. Nobody has to file a ticket.