polyseminar

Independent learning for professionals

Learn difficult
things well.

Short lessons and original practice help you understand a subject and choose what to study next.

Diagnose

Find the areas that deserve your attention.

Understand

Learn the system behind the fact or answer.

Practice

Use original questions and inspect the reasoning.

Retain

Recall the idea and return to weak areas.

First subject

Free labs

Follow along on your own computer.

Send DICOM to a PACS

Check the connection with echoscu, send a public, de-identified CT study to Orthanc with storescu, and open it in a browser viewer. The video walks you through the lab; the files and commands are on GitHub.

What should you study next? Take the free readiness check →

Release updates

Hear when the first course opens.

One message when the course you choose opens, and no other mail.

Choose a course

Know what you are studying.

Each published course will name its sources, scope, and limits.

Read the editorial standards →