Ancient Egyptian Materials and Technology. New York: Cambridge UP, 2000. Print.

1
Catch a Falling Obelisk Mark Barahman, Dan
Feldman, Jeremy Lyons, Michelle
Plastrik Science and Technology of New York
City Professor Sophia Perdikaris Technical
Advisor Gregory Donovan
OBELISK 1
OBELISK 2
Abstract
Results
Conclusions
The future of the ancient world is at a
crossroads, for pollution and climate threaten
the preservation of antiquities. This global
problem can be found in our own backyard, New
York City, where the Egyptian obelisk is
slowly deteriorating, as is its twin in London.
Our project sheds light on the dangers facing
these obelisks and the technology being used to
stop the ravages.   To compare the conditions of
the obelisks, and investigate corrosion
mechanisms of granite, we studied atmospheric
composition in terms of air-borne molecules and
chemicals, data about weather and precipitation,
and the impact of organisms on exposed granite.
We investigated past and present preservation
methods, and evaluated what must be done in the
future to best maintain the obelisks. We
identified which preservation techniques are most
effective in protecting the obelisks, and
determined the efficiency of these methods.
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Pollution Data
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CHART
Corrosion Mechanisms
Bibliography
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CHART
Introduction

• A brief explanation of the relevance of our
  project
• A brief history of the obelisks in Egypt
• A brief history of the obelisks in the Western
  Hemisphere

Methods of Preservation
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Acknowledgements
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