link Origem: www.edx.org
list 16 sequencias
assignment Nível: Introdutório
chat_bubble_outline Idioma : Inglês
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Informações principais

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Sobre o conteúdo

In this course, which investigates physical transformations in food, we will be visited by world-famous chefs who use a number of different styles and techniques in their cooking. Each chef will demonstrate how he or she prepares delicious and interesting creations, and we will explore how fundamental scientific principles make them possible.

Topics will include:

  • How cooking changes food texture
  • Making emulsions and foams
  • Phase changes in cooking

You will also have the opportunity to become an experimental scientist in your very own laboratory — your kitchen! By following along with the recipes of the week, taking precise measurements, and making skillful observations, you will learn to think like both a chef and a scientist. This practice will prepare you for the final project, when you will design and perform an experiment to analyze a recipe of your choice from a scientific perspective.

The lab is certainly one of the most unique components of this course — after all, in what other science course can you eat your experiments?

  • The chemical and physical principles that underlie everyday cooking and haute cuisine techniques
  • How chefs can use enzymes to make foods that would otherwise be impossible
  • How to use the scientific method to learn how a recipe works, and find ways you could improve it
  • How to think like a chef AND a scientist.

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Pré-requisito

Secondary school (high school) algebra, basic mathematics concepts

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Programa de estudos

Module1: Elasticity
How do we describe food texture? In the firstmodule of the course, we will explore the scientific concept of elasticity, which influences the texture of food, and how it changes during cooking. Discussions with Bill Yosses and Mark Ladner will address the role of gluten in dough and the challenges of working with gluten-free varieties.

Module2: Viscosity
How can we make liquid foods more appealing? Just as solid foods can have different textures, so can liquids, largely determined by their viscosity, or thickness. Scientific discussions about what determines viscosity and demonstrations of different ways to change the viscosities of foods will allow us to explore this topic from different perspectives. We will hear from Harvard’s own Martin Breslin, Director for Culinary Operations, and Carles Tejedor, from Oillab and By restaurant in Barcelona.

Module3: Emulsions and Foams
Emulsions and foams are some of the most interesting foods to think about from a scientific perspective, and we will investigate the physical principles that control their formation. Nandu Jubany will demonstrate how he uses emulsions and foams for a twist on traditional Catalan cuisine at his restaurant, Can Jubany. In the lab you can compete with other learners to see whose emulsion and foam rises the highest!

Module4: Advanced Phase Behavior
The preparation of chocolate and frozen desserts such as ice cream are great illustrations of how chefs manipulate phase changes such as crystallization (freezing).In this module, we will discuss such concepts as nucleation of crystals and freezing point depression, and see how they can be used for chocolate tempering and making ice cream, which you will make yourself in the lab!

Module5: Enzymes
The activity of enzymes can provide both benefits and challenges in the kitchen. After discussing the diverse roles that enzymes can play, we will investigate strategies to both restrict and exploit enzyme activity in cooking. Ted Russin and Wylie Dufresne will showcase some of their creative dishes that are only possible because of enzymes.

Module6: Baking
To conclude the course, we will see how many of the topics that we have discussed come together in a popular cooking technique – baking! Joanne Chang and Christina Tosi will show us how to make delicious cakes, cookies, pies, and bread, and we will see how science makes it possible!

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Instrutores

Michael Brenner
Glover Professor of Applied Mathematics and Applied Physics
Harvard University

David Weitz
Professor of Physics and Applied Physics
Harvard University

Pia Sörensen
Senior Preceptor in Chemical Engineering and Applied Materials, John A. Paulson School of Engineering and Applied Sciences
Harvard University

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Criador do conteúdo

Harvard Université

A Universidade de Harvard, ou simplesmente Harvard, é uma universidade privada americana situada em Cambridge, uma cidade na zona de Boston, no estado de Massachusetts. Fundada em 28 de outubro de 1636, é a mais antiga instituição de ensino superior dos Estados Unidos.

Faz parte da Ivy League, um agrupamento informal de oito universidades da costa leste dos Estados Unidos. Mais de 70 dos seus estudantes ganharam prémios Nobel. Tem 2.497 professores, 6.715 alunos de graduação e 12.424 alunos de pós-graduação. Harvard atrai estudantes de todo o mundo (132 nacionalidades representadas em 2004).

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Plataforma

Edx

EdX est une plateforme d'apprentissage en ligne (dite FLOT ou MOOC). Elle héberge et met gratuitement à disposition des cours en ligne de niveau universitaire à travers le monde entier. Elle mène également des recherches sur l'apprentissage en ligne et la façon dont les utilisateurs utilisent celle-ci. Elle est à but non lucratif et la plateforme utilise un logiciel open source.

EdX a été fondée par le Massachusetts Institute of Technology et par l'université Harvard en mai 2012. En 2014, environ 50 écoles, associations et organisations internationales offrent ou projettent d'offrir des cours sur EdX. En juillet 2014, elle avait plus de 2,5 millions d'utilisateurs suivant plus de 200 cours en ligne.

Les deux universités américaines qui financent la plateforme ont investi 60 millions USD dans son développement. La plateforme France Université Numérique utilise la technologie openedX, supportée par Google.

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