---
title: Why don’t perpetual motion machines ever work? — HIGH T3CH
url: https://hight3ch.com/why-dont-perpetual-motion-machines-ever-work/
date: 2017-06-05
---

# Why don’t perpetual motion machines ever work?

Perpetual motion machines — devices that can do work indefinitely without any external energy source — have captured many inventors’ imaginations because they could totally transform our relationship with energy. There’s just one problem: they don’t work. Why not? Netta Schramm describes the pitfalls of perpetual motion machines.