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ZDNet Dictionary Definition
- Sensor
- A device that measures or detects a real-world condition, such as motion, heat or light and converts the condition into an analog or digital representation. An optical sensor detects...
- Full Sensor Definition >>
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- NASA tests fiber optic wing shape sensors
- The Ikhana unmanned aircraft system has been used by NASA last year to fight wildfires from the sky and this month to provide images of current Californian wildfires to authorities. But Ikhana is also used to evaluate advanced sensing technology installed on its wings to improve its efficiency. The new...
- Blog posts 2008-07-15
- 'Sensing' more about what's coming in Windows 7
- 'Sensing' more about what's coming in Windows 7Windows sensors will bring a new management interfaceto set them up, and then they'll crash unexpectedly, and make things stop responding.There'll be a "grandfather" sensor which automatically reboot the machine, and does some protocol sniffing on your box, to make sure that Microsoft...
- Discussion threads 2008-06-18
- Western Digital releases 7200RPM 320GB notebook drive
- Western Digital has raised the bar on the notebook hard drives with their new "Black" line of Scorpio drives. The new 2.5-inch SATA WD3200BEKT hard drives spin at 7200RPM which is faster than their 5400RPM (WD3200BEVT) Scorpio drives that I reviewed on 16 November 2007. The new...
- Blog posts 2008-06-17
- A 30-picowatt processor for sensors
- A 30-picowatt processor for sensorsunfair comparisoncomparing sensor chips to laptop computers is pretty unfair since the software running on a notebook computer isn't optimized to run together and, really, I think it's impressive that notebook computers deal with different disk, CPU, network, video, etc.... loads pretty well.the sensor chips, which...
- Discussion threads 2008-06-15
- A 30-picowatt processor for sensors
- University of Michigan (U-M) researchers have developed an ultra low power microchip which 'uses 30,000 times less power in sleep mode and 10 times less in active mode than comparable chips now on the market.' It only consumes 30 picowatts in sleep mode, which means that a simple watch battery...
- Blog posts 2008-06-15
- Buses as mobile sensing platforms?
- According to European researchers, modern buses could be used as mobile sensing platforms, sending out live information to be used to control traffic and detect road hazards. The 3.83 million euro EU-funded MORYNE project was completed in March 2008 with a test in Berlin, Germany. During this test, the researchers...
- Blog posts 2008-05-26
- Always-on boosted by British government study
- Five years ago, on a Corante blog, I began touting something I called the World of Always-On. (Picture from Ofcom.) Sometimes I was made to feel crazy, but I remained convinced that sensors and motes, linked to WiFi networks, could create applications living in the air for...
- Blog posts 2008-05-07
- WSJ cleverly coins 'Motorborg', creates jealous blogger
- The Wall Street Journal reported recently on Inrix, Inc., a Kirkland, Washington-based Microsoft spinoff that tracks speeds on 100,000 miles of US highway using data from GPS-enabled fleet vehicles, toll booths, road sensors...and citizens' mobile devices. The data is sold to a variety of companies (including MapQuest, Dash, and...
- Blog posts 2008-05-05
- Ethernet Network-Based DAQ and Smart Sensors for the OPERA Long-Baseline Neutrino Experiment
- This paper proposes a data acquisition scheme for the OPERA long-baseline neutrino experiment based exclusively on Ethernet. The expected data rate allows the use of an Ethernet capable device close to the sensor. The basic idea is to build a distributed acquisition system on Ethernet, made of about 1000 nodes...
- White papers 2008-03-18
- Peek into the 'third wave of wireless' with GreenPeak
- OK, this one might seem a little obscure at first, so bear with me. There are two threads involved: the role of wireless technology in energy conservation, interspersed with some intrigue around energy harvesting. The company in question is GreenPeak, which is creating what it calls ultra...
- Blog posts 2008-03-13
- A Full Bandwidth Calibrator for a Sound Pressure and Particle Velocity Sensor
- In literature it is shown that it is possible to calibrate a sound pressure and a particle velocity sensor in the free field at higher frequencies. This is done by calculating the acoustic impedance at a certain distance of a spherical loudspeaker. If the sound pressure is measured with a...
- White papers 2008-03-10
- A necklace that checks the pills you take
- I'm sure you've already failed to take some pills ordered by your physician. In fact, one in three adults forgets to take their medicines, and for lots of different reasons. Now, researchers at the Georgia Institute of Technology have found a solution for this problem which costs billions of dollars...
- Blog posts 2008-03-08
- MacBook+Air%3A+Motion+sensor+%27bizarrely%27+enabled+with+solid-state+disk+option
- MacBook+Air%3A+Motion+sensor+%27bizarrely%27+enabled+with+solid-state+disk+option[i]"Earth, Water and Air — only Fire is missing"[/i]You get that from the battery when it overheats!I would lay moneythat the motion sensor is activate precisely because it can be used for things other than protecting the hard drive.There was a utility that would let you switch desktops by tapping...
- Discussion threads 2008-02-22
- MacBook Air: Motion sensor 'bizarrely' enabled with solid-state disk option
- MacBook Air owners will find that Apple's motion-sensing technology — to protect hard disk drives in notebooks — is enabled even on models with the solid-state disk option. In his blog, developer Wil Shipley called the protection "bizarre." More bizarrely, if I drop the Air a...
- Blog posts 2008-02-21
- This robot snake wants to dance with you
- According to a short article in The Engineer Online, a two-meter high robotic snake will be shown in April 2008 at the London Science Museum. This vertical snake has been designed as an interactive sculpture. It uses sensors to react to what are doing its viewers and 'dances' with them....
- Blog posts 2008-02-02
- Cellphones to detect dirty bombs?
- Purdue University engineers are developing a system which would use a U.S. network of cellphones to detect dirty bombs and nuclear weapons. They say that 'such a system could blanket the nation with millions of cellphones equipped with radiation sensors able to detect even light residues of radioactive material.' They...
- Blog posts 2008-01-23
- Cellphones to track air pollution
- Computer scientists in Cambridge, UK, are using bike couriers to monitor air pollution. These couriers are doing their usual jobs, but their bicycles are equipped with air-pollution sensors and GPS units that connect to their cellphones via Bluetooth. So their phones are constantly reporting the levels of carbon monoxide, nitrogen...
- Blog posts 2008-01-03
- IPS - Implementing Cisco Intrusion Prevention System v6.0
- View Available Dates and LocationsIn this Global Knowledge-enhanced course, you will gain the skills required to deploy Cisco's recently updated version 6.0 network-based Intrusion Prevention System IPS. New features added to version 6.0 include virtual sensor support, passive OS fingerprinting, and anomaly detection. The course introduces...
- Training 2008-01-01
- Landmark Selection and Greedy Landmark-Descent Routing for Sensor Networks
- This paper study the problem of landmark selection for landmark-based routing in a network of fixed wireless communication nodes. It present a distributed landmark selection algorithm that does not rely on global clock synchronization, and a companion local greedy landmark-based routing scheme. The paper assumes no node location information, and...
- White papers 2008-01-01
- Energy Characterization of the Stargate Sensor Network Gateway
- This paper presents a new energy estimation model for sensor network intermediate nodes (i.e. the Crossbow XScale Stargate). Such devices are battery powered and resource constrained and commonly employed as communication, processing, and gateway elements within sensor networks. Understanding and accurately characterizing the energy behavior of such devices is the...
- White papers 2008-01-01
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