Director / Editor: Victor Teboul, Ph.D.

Looking inside ourselves and out at the world
Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Grâce au télescope Euclid, comprendre la matière et l’énergie noires

(French version only)

By Henk Hoekstra, Professor in observational cosmology, Leiden University

Quand Henk Hoekstra a commencé son doctorat, les turbulences atmosphériques et les imperfections optiques empêchaient d’observer avec précision la matière noire. Aujourd’hui, Euclid change la donne.

Read complete article