A sensor is a physical device or biological organ that detects, or senses, a signal or physical condition and chemical compounds.

Overview

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Most sensors are electrical or electronic, although other types exist. A sensor is a type of transducer. Sensors are either direct indicating (e.g. a mercury thermometer or electrical meter) or are paired with an indicator (perhaps indirectly through an analog to digital converter, a computer and a display) so that the value sensed becomes human readable. In addition to other applications, sensors are heavily used in medicine, industry and robotics. Technical progress allows more and more sensors to be manufactured with MEMS technology. In most cases this offers the potential to reach a much higher sensitivity. See also MEMS sensor generations.

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Linux Today

Sockstress: A New and Effective DoS Attack
Mon, 06 Oct 2008 12:33:17 -0000
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Linux Journal: "Do you pine for the nice days of minix-1.1, when men were men and wrote their own device drivers? Are you without a nice project and just dying to cut your teeth on a OS you can try to modify for your needs? Are you finding it frustrating when everything works on minix? No more all-nighters to get a nifty program working? Then this post might be just for you :-)"
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Mon, 06 Oct 2008 10:33:17 -0000
HowtoForge: "Zivios is an open source web based identity management application featuring single sign on, certificate authority, user, group and computer provisioning with remote management of services."
Microsoft Treating "Windows-Only" As Open Source
Mon, 06 Oct 2008 06:33:17 -0000
Slashdot: ""The Register is reporting that Microsoft is hosting Windows-only projects on its 'open source project hosting site,' CodePlex. Miguel de Icaza caught and criticized Microsoft for doing this..."
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Mon, 06 Oct 2008 02:33:17 -0000
Tech Treasures: "There are security risks and data ownership issues that you have to take into consideration. To get another point of view on the matter, I talked to John Newton, who is the Chairman and CTO at open source content management Alfresco..."
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Ken Hess's Linux Blog: "I'm a fairly prominent member of the Linux Community as a writer, contributor, and longtime evangelist for the cause and there are a few things I'd like the Community-at-Large to consider on my behalf. These are five things that I wish Linux had."

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