objectives: conducting field tests of a vibrotactile aid for deaf/deafblind persons for detection, identification and directional perception of environmental sounds. methods: five deaf (3f/2m, 22–36 years) individuals tested the aid separately in a home environment (kitchen) and in a traffic environment. their eyes were blindfolded and they wore a headband and holding a vibrator for sound ident...

existed electricity grids deliver produced power to the consumer passing through transmission and distribution grids. According to high losses of these grids in transmission level and inexistence of bilateral interaction for simultaneous information exchange, a concept of smart grids were made by capabilities such as consciously participation of consumers in the smart electricity grids, an amou...

Activity recognition plays an important role in many areas such as smart environments by offering unprecedented opportunities for health monitoring, automation, security and energy efficiency. One challenge of activity recognition is the need for huge amounts of annotated data for each new physical setting. Our question is “how can we use activities learned in one space, e.g. home A, to recogni...

introduction: the aim of this study was to evaluate the effect of dental surface treatment with erbium-doped yttrium aluminum garnet(er: yag), neodymium-doped yttrium aluminium garnet(nd: yag) and carbon dioxide laser  (co 2 ) lasers and sodium ascorbate to recently home bleached enamel by scanning electron microscope (sem). methods: thirty extracted human third molars were selected for this in...

Someday, many people hope, humans will travel to Mars. The U.S. National Aeronautics & Space Administration (NASA) has plans for a mission to the planet in the 2030s, and entrepreneur Elon Musk says his SpaceX company can do it by 2024. If people succeed in setting up an outpost on Mars, they’ll need to build someplace for astronauts to live, sleep, and work. But hauling building materials acro...

The first year of running a new continuing Care Unit for patients with malignant disease demonstrated the importance of continuity of care in their management after curative measures have ceased to be appropriate. This was achieved by regular home visiting by Unit ataff, liaison with home care services and the promise of readmission whenever necessary. As a consequence good relationships with p...