IEEE Spectrum July, 2014 - 36

Recipe
foR a
BetteR
oven

a diGital
coNtroller
allows users to set a
wet-bulb temperature,
which takes evaporation
into account and more
closely matches the
temperature at which
food is cooking.

It's tIme to reengIneer
a technology Invented
to bake brIcks
By Nat ha N My hrvo l d & W. Way t G ibbs

Most of us bake, roast, and broil
our food using a technology that was invented
5,000 years ago for drying mud bricks: the
oven. The original oven was clay, heated by
a wood fire. Today, the typical oven is a box
covered in shiny steel or sparkling enamel,
powered by gas or electricity. But inside the
oven, little has changed. * Is a brick dryer
really the best system for cooking food? Not
even close. The typical modern oven-even a
US $10,000 unit used by professional chefs
or a $5,000 model used in a high-end home
kitchen-has a host of problems. It can't cook
food equally well whether full or nearly empty,
left alone or regularly checked, or with food
placed in any position inside. Yet oven manufacturers could solve every problem with
existing technology, if only they would apply it.
36

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jul 2014

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north american

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SPectrum.ieee.orG

the Glass
WiNdoW
is double-paned (thus
minimizing heat loss)
and large, encouraging
users to look through
the window instead of
opening the door.



http://SPectrum.ieee.orG

Table of Contents for the Digital Edition of IEEE Spectrum July, 2014

IEEE Spectrum July, 2014 - Cover1
IEEE Spectrum July, 2014 - Cover2
IEEE Spectrum July, 2014 - 1
IEEE Spectrum July, 2014 - 2
IEEE Spectrum July, 2014 - 3
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IEEE Spectrum July, 2014 - 67
IEEE Spectrum July, 2014 - 68
IEEE Spectrum July, 2014 - Cover3
IEEE Spectrum July, 2014 - Cover4
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