At the end of Our Dynamic Universe, we considered big things like stars, galaxies and the Universe itself.  Now the Particles and Waves unit brings us to particles so small we need groups of them just to make a single atom.  Is there a connection? Why do we study particles? from mr mackenzie on Vimeo.&#160; The Standard Model An elementary ... <a title="fundamental particles: quarks, leptons and the standard model" class="read-more" href="https://mrmackenzie.co.uk/2021/11/fundamental-particles-quarks-leptons-and-the-standard-model/" aria-label="Read more about fundamental particles: quarks, leptons and the standard model">Read more</a>