Review: GeoGuessr Helps Build Observational and Social Studies Skills
GeoGuessr uses Google Street View to present a challenging, addictive and surprisingly educational game.
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Author: Roger Mullins
Secret Life of the Video Recorder
This week’s episode of ‘The Secret Life of Machines’ examines the development of tape recording technology, both audio and video.
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Secret Life of the Radio
In this episode of ‘The Secret Life of Machines,’ Tim Hunkin and Rex Garrod examine the history and development of the radio.
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The Secret Life of the Telephone
In this episode of ‘The Secret Life of Machines,’ we examine how telephones work (or, at least, how they worked in 1991).
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Secret Life of the Quartz Watch
In this week’s episode of ‘The Secret Life of Machines,’ Tim Hunkin and Rex Garrod examine the history of timekeeping devices and the invention of the quartz watch.
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Secret Life of the Internal Combustion Engine
In the second of a two-part look at the history of the automobile, we take a look at the development and inner workings of the internal combustion engine.
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Secret Life of the Car
Series two of ‘The Secret Life of Machines’ kicks off with the first of a two-part look at the history and development of the automobile. This episode looks specifically at the car’s body shell.
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Secret Life of the Television
This episode of ‘The Secret Life of Machines’ examines the history and development of television, from early mechanical image transmitters to the modern (by 1988 standards, at least) electronic devices.
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Secret Life of the Refrigerator
In this week’s episode of ‘The Secret Life of Machines,’ hosts Tim Hunkin and Rex Garrod examine how ancient knowledge of the cooling effects of evaporation led to the development of the modern refrigerator.
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Secret Life of the Washing Machine
In this episode of ‘The Secret Life of Machines,’ Tim Hunkin and Rex Garrod demystify the automatic washing machine and look at its development over the years.
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Secret Life of the Central Heating System
The third episode of ‘The Secret Life of Machines’ looks at the history of indoor heating, from rudimentary fires to modern electric systems.
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Secret Life of the Sewing Machine
In an ongoing series of posts revisiting the Channel 4/Discovery Channel show ‘The Secret Life of Machines,’ this episode examines the history and evolution of the home sewing machine.
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Rediscovering ‘The Secret Life of Machines’
This is the first in a series of posts revisiting ‘The Secret Life of Machines,’ a how-things-work program originally broadcast in the UK on the Channel 4 and later in the United States by the Discovery Channel. This episode examines the history and refinement of the vacuum cleaner, with a look at electric motors, electromagnetism, and the science of airflow.
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