
Channel: CuriosityShow
Category: Science & Technology
Tags: magichow toeducationdeanerulersumnermythexperimentscience experimentchildren19701980sadamjuliuscuriositytrick ruleraustraliatownsendmeasuremillerchildrensmythbusterscuriousity show1980sciencemyth busters70scuriosity showrob morrisonfactrobexperimentstrickhow-toworldmental arithmeticwondersavagekids1970smorrisonminitricksdeane huttonsimonhuttonpuzzle80stv show
Description: It seems odd but, as Rob reveals, a tiny ruler with only five markings will let you measure any length, from 1 centimetre to infinity.



















