A zone plate is a device used to focus light or other things exhibiting wave character. Unlike lenses or curved mirrors, zone plates use diffraction instead...

along subduction zones, and fluids released by the subducting plate trigger volcanism in the overriding plate. If the subducting plate sinks at a shallow...

124°W / 45°N 124°W / 45; -124 The Cascadia subduction zone is a 1,000 km (620 mi) convergent plate boundary, about 100–200 km (70–100 mi) off the Pacific...

microscopes that use a Fresnel zone plate is an active area in Holst’s group at the University of Bergen. Since using a zone plate proved difficult due to the...

shape. There are several types of Fresnel zone antennas, namely, Fresnel zone plate, offset Fresnel zone plate antennas, phase correcting reflective array...

Snell & Wilcox SW2 and SW4 "Zone Plate" Test Chart (also referred to as Snell & Wilcox Test Pattern) were TV test cards introduced in the 1990s and used...

plate with the Arabian plate in the East Anatolian Fault Zone. The boundary between the North American plate and the Eurasian plate in the area around Japan...

The African plate, also known as the Nubian plate, is a major tectonic plate that includes most of the continent of Africa (except for its easternmost...

Plate tectonics (from Latin tectonicus, from Ancient Greek τεκτονικός (tektonikós) 'pertaining to building') is the scientific theory that the Earth's...

occurs. Fracture zones extend past the transform faults, away from the ridge axis; are usually seismically inactive (because both plate segments are moving...

Tonga–Kermadec subduction zone (also known as Kermadec–Tonga or Tonga–Kermadec-Hikurangi subduction zone) is a convergent plate boundary that stretches...

American plate at the Cascadia subduction zone. It is named after the explorer of the same name. One of the smallest of Earth's tectonic plates, the Juan...

rise to its own sinusoidal zone plate in the recording medium. The resulting pattern is the sum of all these 'zone plates', which combine to produce a...

transform-convergent boundary, the Macquarie fault zone, where the Australian plate is beginning to subduct under the Pacific plate along the Puysegur Trench. Extending...

Baikal Rift Zone and Stanovoy Mountains on the north. The Baikal Rift Zone is considered a boundary between the Amurian Plate and the Eurasian plate. GPS measurements...

waveplates are the half-wave plate, which rotates the polarization direction of linearly polarized light, and the quarter-wave plate, which converts between...

the plate. Geologic timeline of Western North America New Madrid seismic zone, an ancient intraplate fault zone within the North American plate, notable...

narrow zone, the rift is a developing divergent tectonic plate boundary where the African plate is in the process of splitting into two tectonic plates, called...

the downgoing plate, as a result of bending and extension as the plate is pulled into the mantle. The deep-focus earthquakes along the zone allow seismologists...

Panama fracture zone with the Galápagos rift zone, eastern tropical Pacific". The volcanic arc Martin Meschede and Udo Barckhausen, "Plate tectonic evolution...

more lithospheric plates collide. One plate eventually slides beneath the other, a process known as subduction. The subduction zone can be defined by...

subduction zone is a convergent plate boundary on the seafloor along the eastern margin of the Lesser Antilles Volcanic Arc. In this subduction zone, oceanic...

pinhole. The pinhole, in this case, is equivalent to a Fresnel zone plate with a single zone. The value s2/λ is in a sense the natural focal length of the...

incidence. An alternative method of focusing X-rays is to use a tiny Fresnel zone plate of concentric gold or nickel rings on a silicon dioxide substrate. Sir...

northern edge is a transform boundary with the Eurasian plate, forming the North Anatolian Fault zone (NAFZ). The East Anatolian Fault, a left lateral transform...

fracture zone (OFZ), though misnamed as a fracture zone, is a transform fault in the northwest Indian Ocean that separates the Arabian and African plates from...

of space above home plate and between the batter's knees and the midpoint of his torso. Whether a pitch passes through the zone is decided by an umpire...

geographical zones of India namely, North, South, East, West and Central. The inaugural tournament was won by West Zone who defeated South Zone in the final...

New Madrid seismic zone (NMSZ), sometimes called the New Madrid fault line (or fault zone or fault system), is a major seismic zone and a prolific source...

in area, the Caribbean plate borders the North American plate, the South American plate, the Nazca plate and the Cocos plate. These borders are regions...