Here, we have a circuit that lights up when scissors come into contact with the tin foil you are trying to cut.

Have you ever struggled to cut tin foil with scissors before? Of course you have, everyone struggles with this exact issue at least once in their lifetimes. Well no more! This clever device aims to make guiding your scissors easier, by lighting up whenever it comes into contact with the piece of foil you intend to cut! Just watch this video demonstrating it's use:


Fascinating. And of course, is the schematic upon which this device was created: