ultraviolet erasing

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• Ultraviolet — UV redirects here. For other uses, see UV (disambiguation). UVB redirects here. For the mysterious shortwave radio station in Russia, see UVB 76. For other uses, see Ultraviolet (disambiguation). False color image of the Sun s corona as seen in… …   Wikipedia

• art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …   Universalium

• Fused quartz — A sphere manufactured by NASA out of fused quartz for use in a gyroscope in the Gravity Probe B experiment. It is one of the most accurate spheres ever created by humans, differing in shape from a perfect sphere by no more than 40 atoms of… …   Wikipedia

• Ceres (dwarf planet) — For other uses of the name Ceres , see Ceres. Ceres   Ceres as seen by Hubble Space Telescope (ACS). The …   Wikipedia

• EPROM — An EPROM, or Erasable Programmable Read Only Memory , is a type of memory chip that retains its data when its power supply is switched off. In other words, it is non volatile. It is an array of floating gate transistors individually programmed by …   Wikipedia

• Microcontroller — The die from an Intel 8742, an 8 bit microcontroller that includes a CPU running at 12 MHz, 128 bytes of RAM, 2048 bytes of EPROM, and I/O in the same chip. A microcontroller (sometimes abbreviated µC, uC or MCU) is a small computer on a single… …   Wikipedia

• Fiber Bragg grating — A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by adding a periodic variation to the… …   Wikipedia

• Natural scientific research in Canada — This article outlines the history of natural scientific research in Canada, including mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …   Wikipedia

• Pencil — This article is about the handwriting instrument. For other uses, see Pencil (disambiguation). HB graphite pencils A pencil is a …   Wikipedia

• Geordi La Forge — Geordi redirects here. For a similarly named regional culture in England, see Geordie. VISOR redirects here. For other uses, see visor (disambiguation). Geordi La Forge Geordi La Forge aboard the USS Enterprise D Species Human …   Wikipedia

• PIC microcontroller — PIC microcontrollers in DIP and QFN packages …   Wikipedia