A star not yet lit · Chemistry

Crystals and Defects

A perfect crystal is rare; the flaws in the lattice decide how it behaves.

A perfect crystal is rare; the flaws in the lattice decide how it behaves. That is the claim, and it is the kind that looks obvious until we try to say where it stops. Where does it hold, where does it fail, and what changes once we can see it at work? That is a conversation, not a paragraph.

What this star will be, on the blog →

Crystals and Defects is a star on the Constellate sky: placed by meaning, named, and connected to the stars around it. See where it sits →

On the sky

Nearest on the sky

A filled dot marks a star that is already open to walk.

Every star is lit by demand. Ask for Crystals and Defects and it moves up the list.

Find it on the sky and ask →

Meanwhile, the first concept of every course is free. No signup, no card.

The first concept of every course is open to walk, free to start.

Begin your exploration →

Or explore the whole sky. No signup, no card.