Forum iś budownictwo wodne i geotechnika 2009 Strona Główna iś budownictwo wodne i geotechnika 2009
 POMOCPOMOC   FAQFAQ   SzukajSzukaj   UżytkownicyUżytkownicy   GrupyGrupy   RejestracjaRejestracja 
 ProfilProfil   Zaloguj się, by sprawdzić wiadomościZaloguj się, by sprawdzić wiadomości   ZalogujZaloguj 

Kyle Quincey Youth Jersey

Napisz nowy temat   Odpowiedz do tematu    Forum iś budownictwo wodne i geotechnika 2009 Strona Główna -> geodezja
Zobacz poprzedni temat :: Zobacz następny temat  
Autor Wiadomość

Dołączył: 24 Paź 2018
Posty: 287

PostWysłany: Pon Kwi 29, 2019 07:40    Temat postu: Kyle Quincey Youth Jersey Odpowiedz z cytatem

SAN FRANCISCO J.T. Miller Womens Jersey , Feb. 24 (Xinhua) -- A researcher at the University of California, Berkeley, is working on a new type of lens that may do away with the classic convex piece of glass or plastic in cell phones with cameras.

Jie Yao, an assistant professor with UC Berkeley's Department of Materials Science and Engineering, is fabricating nano-thin sheets of phase change material that are glass-like at room temperature but becomes metallic when heated slightly.

The work is about "metamaterials," made of millions of nano-scale particles Mika Zibanejad Womens Jersey , each about the size of a virus, and made into arrays of nano-structures. They are so named because they perform unlike any other natural substances. Although the particles themselves are made of atoms, their novel effects on material's performance have earned them the name "artificial atoms."

With support from the Bakar Fellows Program, which fosters faculty entrepreneurship at UC Berkeley, Yao is trying to transform a natural phase change material in a way that seems like alchemy, turning some sections of the material into metal but leaving others unchanged.

The metallic portions can interact with light as if they were nanoscale antennas Mats Zuccarello Womens Jersey , and Yao has shown that in certain conformations, the combined effect of tens of thousands of these antennas can focus light like a lens.

"The metallic phase change material is the working part of the material, while the insulating part provides the matrix to hold the 'artificial atoms' in place," Yao was quoted as saying in a news release from UC Berkeley. With a local heat source, he is able to convert part of the thin sheets into the metal antennas while letting other parts remain transparent.

"Using a local heat source, we can 'write' new structures into the material. Then Henrik Lundqvist Womens Jersey , by lowering the temperature, we can erase and re-write them. We can change the material's structure, and performance at will. No complicated nano-fabrication process is needed," he said.

By using this etch-a-sketch local heating strategy, his team can change the material's configuration in real time, potentially in less than a second. "In this we may be able to create a dynamic optical device Ryan McDonagh Womens Jersey , for example, a single lens whose focus can be changed whenever necessary."

The interactions of the nano-antennas with light are so effective that films hundreds of times thinner than a conventional lens could tightly control the path of light that passes through the film, Yao said.

"When a broad beam of light hits the array, it can be considered as composed of many finer beams. Each new beam passes by an antenna, which is able to change its unique path."

The array can be "written" in such a way that each antenna will guide light to the same focal point to form a lens. The next moment, the array can be erased and a new array may be written Pavel Buchnevich Jersey , and the focal point changed to another location, which could be used to improve the performance of photography and other imaging processes.

He intends to refine his technology's novel ability to tweak the metallic components' 3-D shape, and hopes to open up a range of applications to control visible light as well as infrared and microwave wavelengths.

"The material is a platform that allows us to draw any photonic structure, so we really can achieve a range of applications and transform them from static devices to dynamic ones," he said.

Broncos Dolphins Capsule

by gonzalez · January 23, 2019

DENVER at MIAMI Sunday Brady Skjei Jersey , 1 p.m. ET, Fox OPENING LINE Broncos through 1 History VS Unfold Denver 2-8-1, Miami 3-6-2 Collection History Dolphins add 11-6-1 Final Conference Broncos fight Dolphins 39-36, Nov. 23, 2014 Very last 7 days Broncos missing towards Raiders 21-14; Dolphins misplaced toward Patriots 35-17 AP Expert32 Position Broncos No. 27, Dolphins No. 26 BRONCOS OFFENSE Total Rick Nash Jersey , Hurry , Go BRONCOS Protection In general , Hurry , Move DOLPHINS OFFENSE All round , Hurry , Go DOLPHINS Protection In general David Desharnais Jersey , Hurry , Move STREAKS, Figures AND NOTES Broncos had been 0-7 within just Miami in advance of time beyond regulation earn inside their optimum current stop by in just 2011. Broncos teach Vance Joseph was Miami defensive coordinator very last calendar year. Dolphins educate Adam Gase was Broncos assistant within just 2009-14. Denver is subsequent towards final inside of turnover differential at minus-16. Miami is 3rd worst at minus-10. Broncos rank following towards final with 24 turnovers. Broncos 7-video game wasting streak is their longest considering that franchise-background 9-video game skid within 1967. Broncos are 0-5 upon highway. Trevor Siemian will be 3rd substitute quarterback in the direction of get started for Denver within just as countless game titles. It very first period considering that 1983 Broncos contain experienced a few QBs in just a few-sport span Henry Melton Jersey. Denver CB Aqib Talib is out whilst serving a single-recreation suspension for combat with Oakland WR Michael Crabtree. Suspension in the beginning was for 2 online games and was diminished. Denver is just staff members in the direction of rank in just greatest 5 towards possibly function and move. Broncos are maintaining rivals towards 3.2 yards for each hurry, most straightforward within just NFL. Denver kickoff insurance policy ranks future toward final. .. OLB Von Miller will engage in inside 100th every month-time video game. Dolphins incorporate misplaced 5 in just row, their longest wasting streak in just 6 many years. Dolphins are tied for moment in just specifics permitted and are 3rd worst within details scored. Miami is upon speed for its least expensive-scoring time in just 50 a long time. Dolphins rank final inside pink-zone safety, allowing for touchdown 7. Cheap Jerseys Cheap Jerseys Cheap NHL Jerseys Wholesale Cheap Jerseys China Cheap Custom MLB Jerseys Cheap NCAA Basketball Jerseys Cheap Cheap NHL Hockey Jerseys Wholesale NHL Shirts Wholesale Soccer Hats Free Shipping Wholesale NHL Hats
Powrót do góry
Ogląda profil użytkownika Wyślij prywatną wiadomość

Wysłany: Pon Kwi 29, 2019 07:40    Temat postu:

Powrót do góry
Wyświetl posty z ostatnich:   
Napisz nowy temat   Odpowiedz do tematu    Forum iś budownictwo wodne i geotechnika 2009 Strona Główna -> geodezja Wszystkie czasy w strefie CET (Europa)
Strona 1 z 1
Skocz do:  
Nie możesz pisać nowych tematów
Nie możesz odpowiadać w tematach
Nie możesz zmieniać swoich postów
Nie możesz usuwać swoich postów
Nie możesz głosować w ankietach

iś budownictwo wodne i geotechnika 2009  

To forum działa w systemie
Masz pomysł na forum? Załóż forum za darmo!
Forum narusza regulamin? Powiadom nas o tym!
Powered by Active24, phpBB © phpBB Group