Schematic of the experimental procedure for tests on real paint samples. Paint fragments were...
warn
/cloudfront-us-east-1.images.arcpublishing.com/tgam/DCCI72GW2JHBTEQLI4VY7GFLIE "Former National Gallery of Canada staffers warn minister about layoffs")
Maman by artist Louise Bourgeois outdoors the National Gallery in Ottawa.JONATHAN HAYWARD/The Canadian Push...
