Magnetic Liquid is Crazy. Absolute Zero. Elementary Particles. [an error occurred while processing this directive] <img src="/wgbh/nova/elegant/images/part-nonflash.gif" alt="Chart of elementary particles" width="730" height="543" border="0" /> The entire universe can be represented by the few particles included in this table.* It would be even more amazing, then, if these 19 were made of the same elemental constituent.
If superstring theory turns out to be true, this will be the case. According to the theory, every one of the "fundamental" particles are made of identical strings, with the only difference between the strings being their vibrational patterns (see Resonance in Strings for more on this).