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Articles 7711 - 7716 of 7716

Full-Text Articles in Computer Engineering

Linda Jacobson Interview Virtual Reality Evangelist, Loretta L. Lange Sep 1995

Linda Jacobson Interview Virtual Reality Evangelist, Loretta L. Lange

SWITCH

In the interview with Linda Jacobson, a Virtual Reality (VR) artist, Jacobson discusses the current and future state of VR technology’s role in the politics of the body, social identity, self, gender, class, and race. This article discusses the fact that barriers to access exist for a more diverse set of artists across race, class, and gender to engage with VR technology and the need to evolve the development platform, so artists can implement their ideas in a low-cost way. The author discusses Jaron Lanier’s ideas about using VR to explore other identities based on a theatrical model where the …


Computer Model For Predicting Aids Among Intravenous Drug Users, Daniel Berleant, R. Ron Goforth, Jun Yuan Jan 1993

Computer Model For Predicting Aids Among Intravenous Drug Users, Daniel Berleant, R. Ron Goforth, Jun Yuan

Journal of the Arkansas Academy of Science

Intravenous drug abuse (IVDA) is an important cause of HIV transmission. Computer simulation is one way to understand and predict the spread of HIV infection among IVDAs. We design and simulate HIV infection among IVDAs and the impact of AIDS on this community, and thereby predict future IVDA population, HIV levels, AIDS levels, and AIDS deaths in this group. The HIV to AIDS, and AIDS to Death latencies are described by probability density functions (PDFs) in this model. Factors such as the recruit, quit, and normal death rate of IVDAs, are considered, as well as the infection and removal rates …


Simple Synchronous Detector For Spectroscopic Studies, Mokhtar Mofidi, M. Keith Hudson, Reagan Cole, James D. Wilson Jan 1991

Simple Synchronous Detector For Spectroscopic Studies, Mokhtar Mofidi, M. Keith Hudson, Reagan Cole, James D. Wilson

Journal of the Arkansas Academy of Science

Lock-in-amplifiers are used in many applications for signal processing and offer the ability to discriminate high levels of noise. While these instruments are very powerful and offer many features, they are not portable and are expensive. An economical and easy to use alternative circuit is presented which incorporates pre-amplification, reference, and synchronous detection on one circuit board. The design can be used in laboratory or process control situations where its small size and low cost are advantageous. The circuit was successfully applied to moderate and high level signals as seen in flame infrared emission detection and in a portable radiometer …


Computers And Robotics, Wayne Tinga Jun 1985

Computers And Robotics, Wayne Tinga

Pro Rege

No abstract provided.


Construction And Software Design For A Microcomputer Controlled Ph/Ion Titrator, Edmond W. Wilson Jr., Dennis K. Thompson, James E. Mackey Jan 1984

Construction And Software Design For A Microcomputer Controlled Ph/Ion Titrator, Edmond W. Wilson Jr., Dennis K. Thompson, James E. Mackey

Journal of the Arkansas Academy of Science

The construction of an automated titration device is described. The major components include an Apple II+ Microcomputer and 8-bit parallel interface. Fisher Accumet, Model 520 Digital pH/lon Meter, Gilmont Micrometer Buret of 2.5 mL capacity, Sigma stepper motor, power supply and driver to operate the buret, and a constant temperature bath of ± 0.005 °C stability. The limitations of the system are 0.001 pH/0.1 mv for the pH/ion sensing system, and 0.125 μL per step for the buret. The system as described is designed to determine equilibrium constants for metal ion-amino acid complexes. By changing the software a variety of …


Use Of A Calculator Chip For Realtime Data Processing, Jeffrey O. Cohen, Hal E. Mcloud Jan 1980

Use Of A Calculator Chip For Realtime Data Processing, Jeffrey O. Cohen, Hal E. Mcloud

Journal of the Arkansas Academy of Science

No abstract provided.