Skip to content

0 0L1

⚛️

World & Knowledge

Famous Scientific Laws

The rules of reality, in plain words

I

Novice

Mastery0%

INovice

Basics Concepts

Classical Mechanics(5)Thermodynamics(1)EM and Relativity(4)Biology and Statistics(3)

Home
Review
Search
Stats
Map

No login, no tracking
Progress lives in your browser. No accounts, no analytics, no cookies for tracking.
Works offline once loaded
Static export with manifest. Install to home screen on phone or desktop.
FSRS spaced repetition
The same algorithm modern Anki uses. Cards resurface just before you forget.
Honest game loop
XP for real learning actions only. No FOMO push, no infinite scroll, no manipulative streaks.

A daily learning loop for real-world domains. Built on epistemic honesty and spaced repetition. No dark patterns.

Catalogue

Home
Skill Map
Search

Practice

Review
Dashboard
My List

App

About
Settings

Built with care, MIT licensed.v1.0·Accessibility statement·Education, not advice. Source

Concepts›Conservation laws

Concept 02 of 21

settled

Conservation laws

Energy, momentum, and charge don't appear or disappear. They just change form.

Step 1

Predict first

In one or two sentences, what do you think this concept means? Wrong is fine; the small struggle is what makes the answer stick.

Newton's three laws of motion The second law of thermodynamics (entropy)