6.3 Authentication of information
www……..gov.uk You can now access government directly through the web. E-government in action. While studying this unit you look at the scope of e-government, the databases that are necessary, the use of biometrics in identification and verification of identity and assess the usability and accessibility of websites.
Author(s): The Open University

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Episode 35: With No Grain Of Salt: Water Desalination Explained

Assoc Prof Sandra Kentish joins Up Close science host Dr Shane Huntington to discuss water desalination as a technology and a controversy -- and its certain growth in our future.