Sharper Every Day
Short daily sessions, broad coverage
A deliberately varied path for people who study for the pleasure of it. Physics you can feel, probability that surprises you, and number sense that quietly improves every decision you make.
3 stagesabout 4 weeksbeginner
Create an account to track this path and pick up where you left off.
Start the pathThe sequence
Work the stages in order. Each one is a full course — you can wander off and come back, the path keeps your place.
- 1
Stage 1 · The physical world
Everyday Physics
Forces and energy explained through lifts, brakes and falling coffee cups.
2 lessons30 min
- 2
Stage 2 · Luck and evidence
Chance & Uncertainty
Why intuition about chance is unreliable, and what to use instead.
3 lessons46 min
- 3
Stage 3 · Everyday numeracy
Thinking in Numbers
Estimation and proportion — the most reusable maths there is.
3 lessons48 min