I would like to receive information on the smallest parts of
matter to date. All the matter surrounding us can be explained
by three particles, the smallest building blocks: up quark, down
quark and electron. The quarks combine to form protons and
neutrons. Those then form atomic nuclei, which attract
electrons. Physicists think of quarks and electrons as not
having any size or diameter: they are point-like particles
surrounded by a force-field. When putting these particles
together, we obtain objects that have spatial dimensions like
protons and atoms. For whatever reason, nature has elected to
have six quarks. To first approximation, only two of these show
up in the matter that surrounds us. But taking a closer look,
the four other types of quarks contribute in form of quantum
effects. The electron also has relatives. To learn more about
them, I recommend that you check out one of the two following
Web pages: Only by building better "microscopes" - very powerful
particle accelerators - we will be able to fi