TED-Ed
Why a sausage can manage what your gloves cannot - Charles Wallace and Sajan Saini
6:50
Dig into the science of touchscreens, and find out the difference between the two most common types: capacitive and resistive.--In 2010, South Korea experienced a particularly cold winter. People couldn’t activate their smartphones while wearing gloves, so they began wielding snack sausages— causing one company to see a 40% rise in sausage sales. So, what could sausages do that gloves couldn’t?…