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Causality: Cause and effect. In classical physics, an effect cannot occur before its cause. Causality Rules. Publisher Institute of Physics Publishing. by Vladimir Pascalutsa. At The Nile, if you're looking for it, we've got it.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.