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XPS Foam EPS Foam There are two types of rigid polystyrene foam plastic insulation, extruded (XPS foam), and expanded (EPS foam). Although both types of insulation are comprised of polystyrene, the two types of manufacturing processes produce finished products with very different performance properties. XPS is manufactured in a continuous extrusion process that produces a homogeneous closed cell crossed section, whereas EPS is manufactured by expanding spherical beads in a mold, using heat and pressure to fuse the beads together. The Expanded Polystyrene Foam industry has put out extensive messaging about how EPS foam performs the same, if not better, than Extruded Polystyrene Rigid Foam Insulation when it comes to R-value and moisture. XPS foam is more moisture-resistant than EPS foam* XPS foam holds R-value better than EPS foam at lower mean temperatures when water is present

Light Fidelity (Li-Fi) is a bidirectional , high-speed and fully networked wireless communication technology similar to Wi-Fi . The term was coined by Harald Haas [1] and is a form of visible light communication and a subset of optical wireless communications (OWC) and could be a complement to RF communication ( Wi-Fi or cellular networks ), or even a replacement in contexts of data broadcasting . It is wire and uv visible-light communication or infrared and near- ultraviolet instead of radio-frequency spectrum, part of optical wireless communications technology, which carries much more information, and has been proposed as a solution to the RF-bandwidth limitations . [2] Source from Wikipedia https://en.wikipedia.org/wiki/Li-Fi

Kepler-22b is the first confirmed extrasolar planet found by NASA's Kepler Space Telescope to orbit within the habitable zone of a Sun-like star. Kepler-22b, a possible super-Earth, is 600 light years away from Earth, in orbit around Kepler-22, a G-type star. The discovery was announced December 5, 2011. The planet was originally discovered on Kepler's third day of science operations in mid-2009. The third transit was detected in late 2010. Additional confirmation data was provided by the Spitzer Space Telescope and ground-based observations.

F-22 Raptor is a single-seat, twin-engine fifth-generation supermaneuverable fighter aircraft that uses stealth technology. Transonic speed is an aeronautics term referring to the condition of flight in which a range of velocities of airflow exist surrounding and flowing past an air vehicle or an airfoil that7 are concurrently below, at, and above the speed of sound in the range of Mach 0.8 to 1.2, i.e. 600-900 mph. Read-only memory (ROM) is a class of storage media used in computers and other electronic devices. Data stored in ROM cannot be modified, or can be modified only slowly or with difficulty, so it is mainly used to distribute. EEPROM (also written E2PROM and pronounced "e-e-prom," "double-e prom" or simply "e-squared") stands for Electrically Erasable Programmable Read-Only Memory and is a type of non-volatile memory used in computers and other electronic devices to store small amounts of data that must be saved when power is removed, e.g., c...

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