How do you make rock candy and chocolate fudge? What makes one sugary sweet hard and crunchy but the other soft and chewy? Cammie provides an answer through a discussion of nucleation and crystal growth.
MATERIALS SCIENCE TETRAHEDRON:
Curious about the materials science tetrahedron? Watch this video to learn more: • What is materials scie...
OUTLINE:
0:00 Introduction
0:24 Ming’s fudge conundrum
0:43 Crystalline materials
1:21 How do crystals form?
2:02 Making rock candy
3:31 Homogeneous nucleation
4:35 Heterogeneous nucleation
5:41 Distribution of crystal sizes
6:30 How to prevent grainy fudge
CREDITS:
Written, presented, and edited by Camille Farruggio and Mingyu Yang
With additional input from Ethan Rosenberg, Robin Lindemann, and Jacqueline Baidoo
ACKNOWLEDGEMENTS:
We are grateful for the support of the MIT Department of Materials Science & Engineering (dmse.mit.edu) and Dr. Rohan Kundargi, K-12 Outreach Coordinator of MIT's Office of Government and Community Relations.
ACCESSIBILITY:
accessibility@mit.edu
CONTACT US:
If you have a food/materials-science question that you’d like to see featured in a future video (maybe even with you in it!), please reach out at kitchen.matters.mit@gmail.com. You can also keep up to date on Twitter @foodsci_mit.
30 июл 2024
