Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physics A unit of
frequency equal to 1012 or oneterahertz
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Consider a trip out to the western edge of the peninsula to the Point Reyes Lighthouse, which was built in 1870 and still boasts a 6,000 pound "fresnel" lens.
Point Reyes, Calif. 2009
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i worked with a wISP for a while. 700mhz and 900mhz equipment can handle a surprising amount of foliage and still provide a decent connection. however, they wont shoot straight through trees, but if foliage is in some of the lower part of the trannsmission field (called a fresnel zone) then the signal is passable.
Slashdot: Politics 2008
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This was taken with a homemade, 6mp Sony point and shoot camera modified and hooked up to a control board, then secured in a waterproof case with glass over the flash and lens, and a fresnel lens over the PIR sensor on the board.
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This was taken with a homemade, 6mp Sony point and shoot camera modified and hooked up to a control board, then secured in a waterproof case with glass over the flash and lens, and a fresnel lens over the PIR sensor on the board.
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“Excellent fresnel location,” he whispered, and walked toward the Tree.
365 tomorrows » The Steel Tree : A New Free Flash Fiction SciFi Story Every Day 2009
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This was taken with a homemade, 6mp Sony point and shoot camera modified and hooked up to a control board, then secured in a waterproof case with glass over the flash and lens, and a fresnel lens over the PIR sensor on the board.
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This was taken with a homemade, 6mp Sony point and shoot camera modified and hooked up to a control board, then secured in a waterproof case with glass over the flash and lens, and a fresnel lens over the PIR sensor on the board.
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“Excellent fresnel location,” he whispered, and walked toward the Tree.
365 tomorrows » 2009 » December : A New Free Flash Fiction SciFi Story Every Day 2009
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It's an historic landmark and boasts a first-order fresnel lens.
Alona Elkayam: Best and Worst Summer Thrills of the Week: June 28-July 5 2010
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When you are finished admiring the beautiful fresnel lens, its glass prisms and its view, walk down the road and take the stairs down to the beach.
Alona Elkayam: Best and Worst Summer Thrills of the Week: June 28-July 5 2010
chained_bear commented on the word fresnel
I love this word.
March 11, 2008