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Engineering and manufacturing industries

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The electronic nose in Lilliput

Article Abstract:

The Swiss Federal Institute of Technology developed an experimental CMOS-based odor sensor. The device is small enough to fit into a wristwatch. The design was based upon two parameters. First, it must be able to detect organic solvents in the air, and determine the specific chemical. Changes in polymers' physical properties form the basis of this micronose. CMOS IC is shown in an illustration, along with various diagrams, charts, and a list of defined terms. Microbalances are subjected to a sample, and the changes in resonance of the balances are then measured. A second sensor measures changes in capacitor function. The third type of sensor on this micronose utilizes changes in surface temperature as the gas is absorbed by the sensor.

Comment:

Integrated chip design with three microsensors test three different physical properties to analyze a gas almost anywhere

Author: Baltes, Henry, Lange, Dirk, Koll, Andreas
Publisher: Institute of Electrical and Electronics Engineers, Inc.
Publication Name: IEEE Spectrum
Subject: Engineering and manufacturing industries
ISSN: 0018-9235
Year: 1998
Semiconductor and Related Device Manufacturing, Switzerland, Semiconductors & Parts NEC, Semiconductor devices, Article

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Around the world in a solar plane

Article Abstract:

Bertrand Piccard, who was the first to circle the world in a hot air balloon, hopes to be the first to circumnavigate the globe in a plane powered entirely by photovoltaic cells called 'Solar Impulse'. His efforts to achieve this feat with the help of scientists and engineers at the Swiss Ecole Polytechnique Federale de Lausanne (EPFL) are presented.

Author: Weiss, Giselle
Publisher: Institute of Electrical and Electronics Engineers, Inc.
Publication Name: IEEE Spectrum
Subject: Engineering and manufacturing industries
ISSN: 0018-9235
Year: 2004
Solar powered aircraft, Balloonists, Piccard, Bertrand

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For love of a gun

Article Abstract:

The history of the development and launch of electromagnetic guns by research institutes in different countries is presented.

Author: Meinel, Carolyn
Publisher: Institute of Electrical and Electronics Engineers, Inc.
Publication Name: IEEE Spectrum
Subject: Engineering and manufacturing industries
ISSN: 0018-9235
Year: 2007
United States, Design and construction, Space weapons

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Subjects list: Research
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