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 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?
BETA
lara Collide particles inside the Meadow Machine to discover how CERN probes the universe.
Quiz
How many times does a proton circle the 27-kilometer LHC ring every second at top speed?
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.
lara Squeezing Proton Beams
We squeeze the beam down (Squeeze it down!) / Thinner than a strand of hair (Thinner than a hair!)
Quiz
How does the energy of a single proton collision in the LHC compare to everyday life?