This paper describes a projection system using DLP projectors and parabolic mirrors to provide a 90◦ curved screen with a 4-to-1 aspect ratio. This display is intended to provide an ‘immersive’ experience for the user and facilitate a very large canvas on which to utilize multiple applications or single ones requiring a large screen. The resulting display has a 3072 × 768 pixel display area.

In view of the demand super long span pedestrian landscape bridge with curved deck, this paper proposes a kind cable-stayed and flying-brid arch Lissajous rib double deck. Its plane positive projection is curve figure, side elevation shape arch, foot cable upper space between ribs are installed on spatial concrete-filled steel tube to form self balanced structure system, which floats drags acro...

Hyptidendron Harley, one of the 19 genera recognized for subtribe Hyptidinae, has some its species with a narrow campos rupestres (a Brazilian vegetational formation) distribution, often restricted to single mountain range. We report new species, pulcherrimum Antar & sp. nov., endemic in Serra do Padre Ângelo, disjunct area from where angiosperm have been recently described. The is unique due m...

The bacterial flagellar hook is a short and uniquely curved tube that connects the basal body to the filament. Hook length is controlled at 55 nm on average by a soluble protein FliK in Salmonella enterica serovar Typhimurium. The N-terminal segment of FliK responsible for measuring the hook length is considered to be intrinsically disordered. Here, we show by high-speed atomic force microscopy...

A novel robotic tool is proposed to enable the surgical removal of tissue from inside the beating heart. The tool is manufactured using a unique metal MEMS process that provides the means to fabricate fully assembled devices that incorporate micron-scale features in a millimeter scale tool. The tool is integrated with a steerable curved concentric tube robot that can enter the heart percutaneou...

We present a transmission electron microscopy investigation of graphene membranes, crystalline foils with a thickness of only 1 atom. By using aberration-correction in combination with a monochromator, 1-A resolution is achieved at an acceleration voltage of only 80 kV. The low voltage is crucial for the stability of these membranes. As a result, every individual carbon atom in the field of vie...

Dexterous continuum surgical robots are of increasing interest to researchers given their ability to reach remote areas within the body by moving in highly curved paths. Knowing the configuration of the robot at any time is important for precise control and accurate performance during surgical procedures. Although kinematic models have been developed for some of these robots, these models are o...

This study lends support to others indicating the apparent safety and effectiveness of multiple transcervical insertions of quinacrine hydrochloride as pellets in 240 mg dosage to achieve permanent sterilization. In order to study the effects of the number of quinacrine pellet insertions and the site of placement of the pellets in the uterus of prehysterectomy volunteers, a scoring system of hi...