Puzzle #2
(Click diagrams below to enlarge)

Reconstruction of a collision in the ALEPH detector

What is the apparatus shown above to the right?
How does it work?

What is the significance of the diagram above to the left?
What kind of experiment produces such a diagram?
What do these diagrams have to do with elementary particles?
What are elementary particles?
What do all three have to do
with the study of the Big Bang?

Here are some good places to start your search:

GOOD PLACE #1

GOOD PLACE #2