July 21, 2016 Memorise the Laws of Thermodynamics July 21, 2016/ Glen Storey The four laws of thermodynamics are key laws that govern the universe we live in. They're short, snappy, and easy to memorise with Purrfect Memory. Download the Laws of Thermodynamics Memory Pack. Open this Memory Pack with Purrfect Memory. The best way to memorise phrases, quotes and facts.