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What everything is made of

One of the ideas that runs through every place the lessons go. 1 lesson, in the order to read them.

  1. Start hereAtoms, and the four forcesEverything you can touch is built from three kinds of particle, and everything that ever happens to it is the work of just four forces. Stars and galaxies follow from that.First look · How it works

Outline Still to be written here

  1. Atoms and lightWhy each kind of atom gives out its own colours.
  2. The elements in spaceWhich elements are common out there, and which are rare.
  3. NeutrinosThe particles that pass through the Earth, and the detectors that catch a few.
  4. Matter and antimatterWhy there is any matter left at all.