Catalog Search Results
442) Cell phone privacy
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Series
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English
Description
Most people today have cell phones. People rely on cell phones for communication. Cell phones also store a lot of personal data. Cell Phone Privacy explores how people can protect this data.
443) The Dark Web
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Series
Language
English
Description
The Dark Web is a part of the internet that is hidden and hard to access. It allows users to remain anonymous. Some people use the Dark Web because they fear for their safety. Others use the Dark Web to sell illegal products or services. The Dark Web explores issues in policing the Dark Web.
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Description
Every citizen of a city needs clean water to live, making a city's water system one of the most important parts of its infrastructure. Supplying Water for a City examines each step in this process, including ways in which new improvements will help keep water supplies safe and reliable.
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Series
Big ideas that changed the world volume 2
Language
English
Description
"Machines That Think! explores machines from ancient history to today that perform a multitude of tasks, from making mind-numbing calculations to working on assembly lines to guiding spaceships to the moon. Included are fascinating looks at the world's earliest calculators, the birth of computer programming, and the arrival of smartphones. Contributors discussed include Muhammad ibn Mūsā al-Khwārizmī, Ada Lovelace, and Bill Gates. From the abacus...
446) From Waste to Energy
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English
Description
This title provides information on one of most promising emerging sources of energy, waste. Provides a background on the opportunity and challenges associated with using waste to produce alternative energy.
447) Coal
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English
Description
This title provides information on Coal as a source of energy. It highlights the positives and negatives of coal and discusses clean coal technology.
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