5 people in a panel discussion with one in the middle speaking with a micro.

On 20 May 2025, Pascale Defraigne of @orb-ksb.bsky.social took part in a panel discussion at UNESCO for the 150th anniversary of the signing of the #MetreConvention. She discussed works relating to the definition of the second and the Coordinated Universal Time (UTC).
Photo: UNESCO/Marie Etchegoyen

#worldmetrologyday #metrology #metreconvention #measurements #measurement #measurementscience #internationalsystemofunits #metricsystem #internationalstandard #internationalstandards #bipm #oiml #legalmetrology #standardization #raiseawareness #raisingawareness #sofiaflorina #ソフィアフロリナ