| 单词 | Fresnel lens |
| 例句 | The kerosene lantern and Fresnel lens were replaced long ago by an electric beam. 36 Hours on Outer Cape Cod 2019-08-08T04:00:00Z The next morning, I went to the visitor station, in the recently refurbished fog signal building, to see the lighthouse’s original, first-order — as the biggest versions are called — Fresnel lens on display. A Lighthouse to Call Your Own 2023-03-27T04:00:00Z Once Pigeon Point Light Station is restored to its former glory, the Fresnel lens will be returned to the top of the tower. A Lighthouse to Call Your Own 2023-03-27T04:00:00Z Pro tip: Instead of plastic wrap, try a plastic magnifying sheet, sometimes labeled a Fresnel lens. Faraway festivals, frozen chalk art: 5 fun things for your kids to enjoy this week | The Weekly Wonder 2020-08-03T04:00:00Z The busted windmill was repurposed, students from the nearby Fayette Institute of Technology built the spiral staircase inside and a nearby airport donated a vintage Fresnel lens. West Virginia: Wild and wonderful and, okay, a little bit weird 2015-07-16T04:00:00Z “Black & White” partly hides a monochromatic drawing under a gold-heavy lithograph, and “Crossing the Line” incorporates a Fresnel lens that refracts a prism of light on the monotype. Review | In the galleries: This art will really speak to you 2017-06-21T04:00:00Z Notable for the eponymous 1898 lighthouse — the tallest in Washington state — visitors can climb the 135 steps to the lantern room, where the original Fresnel lens still signals the Gray’s Harbor entrance. Westport: A road trip to Washington’s working beach town | Provided by Western Washington Toyota Dealers 2023-05-24T04:00:00Z Plenty of interactive exhibits brings the voyage to life, including hands-on experimentation with a chronometer and Fresnel lens, outtakes from the duo’s journal, and short films. Explore Long Beach Peninsula: Quiet coasts and old-timey fun | Provided by Western Washington Toyota Dealers 2022-04-13T04:00:00Z When a large “A” was displayed on the wall and I removed the Fresnel lens on my glasses, I saw two A’s. A Medical Mystery Posed by Blurred Lanes 2022-02-26T05:00:00Z It relies on a Fresnel lens, a type used in lighthouses to focus light into a narrow beam. How big money is powering a massive hunt for alien intelligence 2020-09-10T04:00:00Z The 1871 Fresnel lens was dismantled and is sitting, in pieces, in her basement until a permanent position is decided. The sea wanted to take this California lighthouse. Now, it's part of a conflict between a town and two tribes 2019-11-29T05:00:00Z The restoration included disassembling 1,032 crystal pieces from the original Fresnel lens, cleaning them and putting them back together. Historic Point Reyes lighthouse reopens after makeover 2019-11-08T05:00:00Z To do that, about $40,000 is needed to build a replica of the Fresnel lens, installed in 1867, and removed in 2014 and put on display in the refuge’s visitor center. St. Marks Lighthouse renovation could help it shine again 2017-12-09T05:00:00Z The rear range light is the most prominent and holds a Fresnel lens that allows the red light to be seen up to 13 miles away. Door County island restoration makes for difficult logistics 2017-10-23T04:00:00Z From the third floor overlook, she stands next to a gigantic faceted Fresnel lens, used in lighthouses. State History Museum gets new director 2017-01-02T05:00:00Z A Fresnel lens also disappeared from the Spring Point Ledge Lighthouse in Portland, Maine, sometime after 1960. US government sues over Michigan, Maine lighthouse lenses 2016-09-12T04:00:00Z Alcona Historic Society President Linda Klemens says the cameras connect to the television monitor to show views of Lake Huron and Sturgeon Point as well as details of the workings of the lighthouse’s Fresnel lens. Harrisville lighthouse cameras give visitors up-top view 2016-08-31T04:00:00Z At its heart is a technological marvel, the Fresnel lens, invented by Frenchman Augustin-Jean Fresnel in 1823 and widely deployed in France by the 1830s. ‘Brilliant Beacons’: lighting the way on America’s coastlines 2016-05-08T04:00:00Z The Coast Guard says it will replace the classical Fresnel lens with a modern optic light signal that will be placed on the Tawas Point tower, which also supports a fog signal. Coast Guard plans lens removal from Tawas Point lighthouse 2015-10-31T04:00:00Z Coast Guard began accepting public comment on a plan to replace the 1886 Fresnel lens at the Port Sanilac Lighthouse with a light emitting diode lantern. Coast Guard has long history in Port Huron area 2014-09-28T04:00:00Z The current lens is called a Fresnel lens. Lighthouse on Door County island going high-tech 2014-09-11T04:00:00Z The Fresnel lens will follow the movement of the sun from east to west and direct sunlight to the solar cells which project researchers say boosts the impact of sunlight by a factor of eight. Ford reveals solar-powered car 2014-01-02T14:37:48Z Because the human eye normally is unable to focus on anything closer than 15 centimeters, Parviz and his team compensated for the problem by incorporating a miniature Fresnel lens into their contact lenses. Computerized Contact Lenses Could Enable In-Eye Augmented Reality 2011-11-23T14:15:08.380Z |
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