Skip to main content
CERN
Accelerating science
Sign in
Directory
Navigation principale
Toggle navigation
Plan your visit
Opening hours
Getting here
Families and individual visitors
Group bookings (min 12 pers)
Help us know you better
Accessibility
Big Bang Café
Your safety: our priority
Shop
FAQ
See and do
What's on these days?
Exhibitions
Films
Lab workshops
Science shows
Guided tours
Public events
Virtual tours and talks
Resources
Hands-on activities
Videos and animations
Reading material
Virtual and augmented reality
Exhibition guide for teachers
Loan of exhibitions and objects
About us
CERN
Science Gateway
Globe of Science and Innovation
Ideasquare
Join our team
Support us
en
fr
Les secrets d'Internet #3
Les secrets d'Internet #3
