fr
it
de
en
  • Headlines
  • Explore
  • Experts
  • Search
  • Science & Environment
  • Health & Medicine
  • World & Society
  • About Us
  • Partners
  • Login
  • Headlines
  • Explore
  • Experts
  • Search
Login
fr
it
de
en
Sections
Science & Environment
Mathematics/Physics/Chemistry
Partager

Leap second, one minute of 61 seconds

  • Émission
    Le 12h45
  • 24 June 2015
  • Sylvia Ekström
    • Sciences, UNIGE
Légende

The leap second is added because the Earth currently rotates a little too slowly. For centuries, the measurement of time was determined astronomically.

  • #PHYSICS 513 Interventions
  • #ASTRONOMY 341 Interventions

Related interventions
Sections
History & Philosophy
Leap year, from the stars to reality
    • Pierre Bratschi
      UNIGE
29 February 2016
Sections
World & Society
History & Philosophy
Why time is divided up
    • Gianenrico Bernasconi
      UNINE
08 September 2021
Sections
Science & Environment
Earth & Space
When the Milky Way and Andromeda collide and merge
    • Yves Revaz
      EPFL
16 August 2018
Sections
Health & Medicine
World & Society
Viagra, an erection at any price
    • Francesco Bianchi-Demicheli
      UNIGE
12 October 2017
Sections
Earth & Space
Science & Environment
The oddities of our solar system
    • David Ehrenreich
      UNIGE
07 May 2025
Sections
Science & Environment
Mathematics/Physics/Chemistry
The precious measure of time
    • Gaetano Mileti
      UNINE
26 June 2014
Sections
Earth & Space
Science & Environment
Four planets visible to the naked eye this month in a rare celestial parade
    • Emeline Bolmont
      UNIGE
10 February 2025
Sections
Science & Environment
Earth & Space
Successfully launched, CHEOPS is ready to observe exoplanets
    • Didier Queloz
      UNIGE
18 December 2019

Born from the collaboration between the universities and higher education institutions of French-speaking and Italian-speaking Switzerland, the Swiss Radio and Television (RTS) and the Swiss Radio and Television (RSI), this site gathers several thousand interventions from academics who analyze current events in all fields in a simple and scientific manner.

Find out more

Themes

  • Science & Environment
  • Health & Medicine
  • World & Society

Avis d’expert‧e‧s

  • About Us
  • Partners
Current trends
  • #christianism 95 Interventions
  • #ukraine 106 Interventions
  • #global warming 16 Interventions
  • #video games 57 Interventions
Media partners
Partner institutions
All rights of reproduction and distribution reserved © 2025 Avis d’expert‧e‧s
  • Terms of Use
  • Privacy statements
  • Contact
  • Site développé par ergopix