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Waveguide (optics) An optical waveguide is a physical structure that guides electromagnetic waves in the optical spectrum. Common types of optical waveguides include optical fiber waveguides, transparent dielectric waveguides made of plastic and glass, liquid light guides, and liquid waveguides. Optical waveguides are used as components in ...
Search teams looking for missing British teenager Jay Slater on the Spanish island of Tenerife have found the body of a young man.
This is a list of the free-to-air channels that are currently available via satellite from SES Astra satellites ( Astra 2E / 2F / 2G) at orbital position 28.2 °E, serving Ireland and the United Kingdom. Sky and Freesat use these satellites to deliver their channels. If one was to change providers between Sky and Freesat, one would not require ...
These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...
A pairing is any R -bilinear map . That is, it satisfies. , and. for any and any and any . Equivalently, a pairing is an R -linear map. where denotes the tensor product of M and N . A pairing can also be considered as an R -linear map , which matches the first definition by setting . A pairing is called perfect if the above map is an ...
The Stoxx 600 index, the region’s benchmark, was trading 0.3% down on the day by 5.53 a.m. ET, having lost 2.2% the day before. London’s FTSE 100 edged 0.3% lower by the same time.
July 20, 2024 at 6:30 AM. Nearly half of cancer deaths could be prevented with lifestyle changes, new research finds. An estimated 40% of all cancer cases and 44% of all cancer deaths in adults ...
This is a list of equipment of the British Army currently in use. It includes current equipment such as small arms, combat vehicles, explosives, missile systems, engineering vehicles, logistical vehicles, vision systems, communication systems, aircraft, watercraft, artillery, air defence, transport vehicles, as well as future equipment and equipment being trialled.