“Boffins mount campaign against France’s official kilogramme”
I’ve mentioned the problem before, about three years ago: the platinum/iridium cylinder in France that is the official reference for the kilogram is losing weight, for reasons that currently baffle science. Any reference object is useless if it can’t be relied on to stay the same, so the science community is making a determined effort …
Continue reading ‘“Boffins mount campaign against France’s official kilogramme”’ »