starch

Non-Newtonian Fluid on a Speaker Cone

Corn starch is a shear thickening non-Newtonian fluid meaning that it becomes more viscous when it is disturbed. When it’s hit repeatedly by something like a speaker cone it forms weird tendrils. The video was shot at 30 fps and the speaker cone was vibrating at 30 Hz which is why there is no blur. […]

Science: What is Gluten? Here’s How to See and Feel Gluten

Buy Cook’s Science today: http://amzn.to/212U0nC The Science of Good Cooking: http://amzn.to/1O8oGw7 http://amzn.to/1iT7VuV The How Can It Be Gluten Free Cookbook See and feel gluten with this simple kitchen experiment. Gluten—an elastic protein that has the ability to trap air, much like a balloon—is formed when two important proteins in wheat flour, glutenin and gliadin, bond […]

How To Make Magic Mud – From a Potato!

It’s mind-blowing to think this stuff is in our food! Here’s how to make a glowing “magical mud” from ordinary potatoes. Because of the popularity of this project, I’ve put together a detailed 15 page PDF (http://bit.ly/MagicMudProjectPDF) with step-by-step instructions, Fun Facts, Helpful Hints, and loaded with pictures. I’m selling them to help compensate for […]