Chapter 1
The giant machine under the grass
Chapter 2
The hunt for cosmic ghosts
Chapter 3
Giant eyes underground
Chapter 4
The global digital brain
Ch 1 · The giant machine under the grass
lara Squeezing Proton Beams
We squeeze the beam down (Squeeze it down!) / Thinner than a strand of hair (Thinner than a hair!)
lara Buried 175 meters near Geneva, this circular tunnel now houses the LHC, where protons zoom through vacuum pipes before crashing.
Quiz
Which two countries does the 27-kilometer Large Hadron Collider tunnel cross beneath?
Fun Fact
LHC vacuum: The pipes inside the Large Hadron Collider are emptied to an ultra-high vacuum, making them emptier than the space around the Moon.
Quiz
How many times does a proton circle the 27-kilometer LHC ring every second at top speed?
Quiz
How does the energy of a single proton collision in the LHC compare to everyday life?