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Table of Contents

Introduction References & Edit History Related Topics

Images & Videos

Block and tackle

simple machines

What is a simple machine?

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Abstract vector hi speed internet technology background

History of Technology Timeline

molecule model, element

Molecular Machines: Making for the Future

Binary Computer Code, Binary Code, Internet, Technology, Password, Data

How Does Wi-Fi Work?

Discover

Hindu Holi Festival celebrations with colored water, powder and colorful flower petals thrown over celebrants at a Hindu temple in Mathura, Uttar Pradesh, India on March 24, 2021.

Holi: Festival of Colors

Calendar showing the month of February

Why Are There Only 28 Days in February?

Meghan, Duchess of Sussex in 2019. (Meghan Markle, British royalty)

6 Things You Should Know About Meghan, Duchess of Sussex

Moonrise over Tucson, Arizona

Why Doesn’t Arizona Observe Daylight Saving Time?

Bar graph of the United States Death Toll during major events. Infogram chart.

U.S. Death Toll During Major Events

Statue of Liberty in front of the skyline of Manhattan, New York City, New York.

Who Was the Woman Behind the Statue of Liberty?

Aphrodite. Greek mythology. Sculpture. Aphrodite is the Greek goddess of love and beauty.

12 Greek Gods and Goddesses

pulley: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Photos and Videos

Block and tackle

simple machines

What is a simple machine?

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Topics

block and tackle machine simple machine screw pendulum wheel and axle wheel lever inclined plane wedge particle accelerator clock robot

Key People

Sir Marc Isambard Brunel

Sir Marc Isambard Brunel

French-British engineer