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using lasers to create super-hydrophobic materials
Bookmarked 587 weeks ago scientists at the university of rochester have used lasers to transform metals into extremely water repellent or super-hydrophobic materials without the need for temporary coatings super-hydrophobic materials are desirable for a number of applications such as rust prevention anti-icing or even in sanitation uses however as rochesters chunlei guo explains most current hydrophobic materials rely on chemical coatings in a paper http:scitationaiporgcontentaipjournaljap117310106314905616 published today in journal of applied physics guo and his colleague at the universitys institute of optics anatoliy vorobyev describe a powerful and precise laser-patterning technique that creates an intricate pattern of micro- and nanoscale structures to give the metals their new properties this work builds on earlier research by the team in which they used a similar laser-patterning technique that turned metals black http:wwwrochesteredunewsshowphpid=2701 guo states that using this technique they can create multifunctional surfaces that are not only super-hydrophobic but also highly-absorbent opticallyguo adds that one of the big advantages of his teams process is that the structures created by our laser on the metals are intrinsically part of the material surface that means they wont rub off and it is these patterns that make the metals repel waterthe material is so strongly water-repellent the water actually gets bounced off then it lands on the surface again gets bounced off again and then it will just roll off from the surface said guo professor of optics at the university of rochester that whole process takes less than a second the materials guo has created are much more slippery than teflona common hydrophobic material that often coats nonstick frying pans unlike guos laser-treated metals the teflon kitchen tools are not super-hydrophobic the difference is that to make water to roll-off a teflon coated material you need to tilt the surface to nearly a 70-degree angle before the water begins to slide off you can make water roll off guos metals by tilting them less than five degreesas the water bounces off the super-hydrophobic surfaces it also collects dust particles and takes them along for the ride to test this self-cleaning property guo and his team took ordinary dust from a vacuum cleaner and dumped it onto the treated surface roughly half of the dust particles were removed with just three drops of water it took only a dozen drops to leave the surface spotless better yet it remains completely dry guo is excited by potential applications of super-hydrophobic materials in developing countries it is this potential that has piqued the interest of the bill and melinda gates foundation which has supported the work in these regions collecting rain water is vital and using super-hydrophobic materials could increase the efficiency without the need to use large funnels with high-pitched angles to prevent water from sticking to the surface says guo a second application could be creating latrines that are cleaner and healthier to uselatrines are a challenge to keep clean in places with little water by incorporating super-hydrophobic materials a latrine could remain clean without the need for water flushing but challenges still remain to be addressed before these applications can become a reality guo states it currently takes an hour to pattern a 1 inch by 1 inch metal sample and scaling up this process would be necessary before it can be deployed in developing countries the researchers are also looking into ways of applying the technique to other non-metal materials guo and vorobyev use extremely powerful but ultra-short laser pulses to change the surface of the metals a femtosecond laser pulse lasts on the order of a quadrillionth of a second but reaches a peak power equivalent to that of the entire power grid of north america during its short burstguo is keen to stress that this same technique can give rise to multifunctional metals metals are naturally excellent reflectors of light thats why they appear to have a shiny luster turning them black can therefore make them very efficient at absorbing light the combination of light-absorbing properties with making metals water repellent could lead to more efficient solar absorbers solar absorbers that dont rust and do not need much cleaningguos team had previously blasted materials with the lasers and turned them hydrophilic meaning they attract water in fact the materials were so hydrophilic that putting them in contact with a drop of water made water run uphill http:wwwrochesteredunewsshowphpid=3387help us caption ampamp translate this videohttp:amaraorgvga08 |
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breaking: watch justin bieber in court bond set at 2500 from live coverage
Bookmarked 638 weeks ago justin bieber in court accused of drink drivingskynews police say the 19-year-old pop singer had quotbloodshot eyesquot was quotbelligerentquot and used some quotchoice wordsquot when he was arrestedjustin bieber had been drinking beer and smoking marijuana before he was arrested after allegedly drag-racing in a residential area of miami police saythe teenage pop singer was stopped by officers after apparently being clocked in a rented yellow lamborghini driving around 60mph in a 30mph zonehe was arrested and is now in a jail facing charges of driving under the influence resisting arrest and having an expired licencetwo suvs had blocked the road so the 19-year-old singer could race a friend identified as rampampb singer khalil sharieff who was driving a rented ferrari police saidbieber failed a sobriety test during his arrest according to authoritieshe swore at officers when he was stopped according to a copy of the arrest reportan officer claimed the canadian singer had quotbloodshot eyesquot and added he could smell alcohol on his breaththe star told police he was returning from a studio recording session and repeatedly asked why he had been stopped and arrestedquotwhy did you stop mequot he asked according to the report quotwhy do you have to search mequotspeaking at a press conference miami beach chief of police raymond martinez said the singer had resisted arrest although he had done so quotwithout violencequotthe officer said the star had also taken a prescription drugmr martinez told reporters: quothe did acknowledge that he did take a prescription medication and that he had been smoking marijuana and that he did consume a beerquotmr martinez said 19-year-old had been quotbelligerentquot and had used some quotchoice wordsquot when he was arrested but was not violenthe said bieber had been very cooperative once he got to the stationthe star who reportedly earned 58m last year arrived at miami-dade county jail where he had his mugshots and fingerprints taken bail was set at 2500the van transporting the singer with blacked-out windows was trailed by squad carsmiami dade-police spokesman sergeant bobby hernandez told wsvn in south florida that officers saw two cars racing at 409ammr hernandez said two vehicles apparently had been used to block off an area on pine tree drive and 26th street for the racehe said the second car was a red ferrari and that driver a singer known as khalil was also arrested both cars were towed awaythe canadian pop star was pictured in the car with a woman named in some reports as model chantel jeffries in the driving seat before his arrestthe teenager has been in florida for the past few days and has been spotted in nightclubs and at a skate parkhe posted photos on instagram of him performing tricks on his skateboard and spraying his initials onto a wall at the parkhe is also alleged to have spent thousands of dollars at a strip club called the king of diamondsif bieber is charged he could face a fine or even imprisonmenta first conviction could bring a fine of between 250 150 and 1000 600 depending on the level of alcohol as well as community service and possibly a jail sentencebieber039s arrest comes just a week after the singer039s california home was raided by police over claims he pelted his neighbour039s house with eggs causing thousands of dollars of damagein that case authorities arrested one member of bieber039s entourage rapper lil za on suspicion of drug possessionlast year the singer disappointed thousands of fans in the uk by showing up to gigs late which left many of his young followers having to leave his performances only moments after he started performing to catch trains homehe was also involved in a scuffle outside his hotel in london during his colourful visitjonmanization |
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is your child getting enough vitamin n
Bookmarked 492 weeks ago if you039re a parent is your child getting enough vitamin n it may be the most important thing you can give them but what exactly does vitamin n do watch this video to find outdonate today to prageru: http:lpragerucom2eb2p0hdownload pragerpedia on your iphone or android thousands of sources and facts at your fingertipsiphone: http:lpragerucom2dlsnbgandroid: http:lpragerucom2dlss5ejoin prager united to get new swag every quarter exclusive early access to our videos and an annual townhall phone call with dennis prager http:lpragerucom2c9n6ysjoin prageru039s text list to have these videos free merchandise giveaways and breaking announcements sent directly to your phone https:optinmobiniticompragerudo you shop on amazon click https:smileamazoncom and a percentage of every amazon purchase will be donated to prageru same great products same low price shopping made meaningfulvisit prageru http:wwwpragerucomfollow usprageru is on snapchatfa |
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thoughts from a couch
Bookmarked 492 weeks ago links to popsockets:the whole collection https:wwwpopsocketscomcollectionsjenna-marbleskermit039s school portrait https:wwwpopsocketscomcollectionsjenna-marblesproductskermit-school-portraitvariant=31211617988tie dye and sunglasses kermit and marbles https:wwwpopsocketscomcollectionsjenna-marblesproductshippiesvariant=31211686852kermit and marbles stargazing in space https:wwwpopsocketscomcollectionsjenna-marblesproductsstargazingvariant=31255846276kermit and marbles on the beach in sunglasses https:wwwpopsocketscomcollectionsjenna-marblesproductsbeach-bumsvariant=31211722116if you039ve made it this far down into the description wow what are you doing here my goodness how far you039ve traveled but welcome and i039d also like to give a huge huge thanks to popsockets for letting me do a second round of these a little more about the pop sockets themselves you can totally customize the color of the plastic that sticks to your phone which is in |
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jonny brenns sings quotgeorgiaquot by vance joy - top 24 solos - american idol 2018 on abc
Bookmarked 419 weeks ago jonny brenns sings quotgeorgiaquot by vance joy for his top 24 solo performance in front of a live audience and judges katy perry luke bryan and lionel richie on american idol 2018see more of american idol on our official site: http:wwwamericanidolcomlike american idol on facebook: https:wwwfacebookcomamericanidolfollow american idol on twitter: https:twittercomamericanidolfollow american idol on instagram: https:wwwinstagramcomamericanidollike abc on facebook: https:wwwfacebookcomabcnetworkfollow abc on twitter: https:twittercomabcnetworkfollow abc on instagram: https:wwwinstagramcomabcnetworkamerican idol the iconic series that revolutionized the television landscape by pioneering the music competition genre will return to airwaves on sunday march 11 at 87c at its new home on abcthe nationwide search for the next superstar kicked off in august 2017 as the idol bus traveled from portland oregon to orlando florida in its pursuit for talent |
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what did this cosmonaut miss about earth after a year in space national geographic
Bookmarked 496 weeks ago what does it mean to long for home in the most extreme and profound way as nasa spacex and other organizations set their sights on flying humans to mars theyre also looking to cosmonauts like mikhail kornienko who recently spent almost a year in the international space station to learn about how extended time in space has changed his body and challenged him mentally subscribe: http:bitlynatgeosubscribeabout national geographic:national geographic is the world039s premium destination for science exploration and adventure through their world-class scientists photographers journalists and filmmakers nat geo gets you closer to the stories that matter and past the edge of what039s possibleget more national geographic:official site: http:bitlynatgeoofficialsitefacebook: http:bitlyfbnatgeotwitter: http:bitlynatgeotwitterinstagram: http:bitlynatgeoinstalanding in kazakhstan after spending almost an entire year orbiting the earth in the international space sta |
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the lie we live
Bookmarked 524 weeks ago exposing the truth about our world my name is spencer cathcart and this is a video i wrote amp created if you039d like to see more videos please subscribe: http:bitlysubscribe_freshtasticalnote: please do not download amp reupload my video that makes it much harder for me to build an audience for future videos you039re encouraged to share the original youtube link but there039s no reason to download it and reupload it subtitles: watch with subtitles in over 40 languages through quotsettingsquot in the lower right corner of the video my video is also available on my facebook page facebookcomfreshtasticalsongs used: 1 iron dragon - alliance 2 dynasty - initiative - cmx 3 immediate music - overcome anything 4 fringe authority - cmx 5 above all - petteri sainio6 confidential music - paradise lost 7 heart of the rebellion - cmxi have also used some footage from the films baraka amp blue planet contact: freshtasticalgmailcomfacebook: http:wwwfacebookcomfreshtasticaltwitter: http:wwwtwittercomfreshtasticalif you would to create subtitles for another language please email me the translation to freshtasticalgmailcom rather than upload another video subtitles available in over 35 languages including russian chinese taiwan hong kong spanish japanese indonesian arabic dutch vietnamese french german portuguese italianturkish polish greek albanian bulgarian swedish croatian hebrew lithuanian czech danish estonian finnish hungarian persianfarsi romanian serbian bosnian slovak slovenian amp more below are titles that have been used for my video around the world: - le mensonge dans lequel nous vivons le mensonge que nous vivons - die lge die wir leben de leugen die wij leven- - mensaje a la humanidad: la mentira que vivimos espaol - a mentira que vivemos ns vivemos uma mentira - 28- - - kamstwo w ktrym yjemy - la menzogna in cui viviamo - zivot ktery zijeme video kter vm zmn ivot - hazugsgban lt letnk - minciuna n care trim- - es ist zeit etwas zu ndern - lai koje ivimo lani ivot kojeg ivimo- la vido qu039il faut absolument regarder vivons- de leugen waarin we leven nederlandse ondertiteling - we zijn allemaal slaven van het systeem- klamstvo v ktorom ijeme le ve kter lidstvo ije- - - mira el vdeo que puede revolucionar el mundo una realidad ficticia- le ve kter ijeme - jeder einmal anschauen und teilen sehr wichtig- we live in a lie - cette video de 8 minutes risque de changer votre vie- the one video that can change the world - yaadmz yalan vale mida me elame - a hazugsg amiben lnk lgnen vi lever- melas kur gyvename klamstvo v ktorom ijeme- |
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help carey go to la to save martell tv startup : gofundme video
Bookmarked 566 weeks ago http:wwwgofundmecomcarey-la-trip after a year developing business in austin my mentors and customers have told me it039s time to take my project to la--the heart of tv and web series production this is also my last chance to bring the idea to life what i need: 2000 for transportation lodging and the bare essentials as i conduct two weeks of sales investment fundraising promotional interviews and networking to grow my team your contribution of any amount will helpwhy i need your help: for more than a year i039ve invested all of my personal savings and full-time effort into building the next generation of tv stations full info about the company is here so far we039ve made several sales and have commitments for distribution ads and partnerships but we don039t have enough money to finish the technology since launching martelltv i039ve invested more than 30000 of my personal savings into development and operations as a disabled veteran on a fixed income i don039t have anything left to keep the station alive myself martelltv is scheduled to make its national debut at playlist live march 21-23 in orlando fl in front of 100000 people we have customers willing to buy if we can finish the final round of development on the software i039m doing whatever it takes to raise the money the plan:i will spend two weeks in la in confirmed meetings with major brands cable tv networks investors talent managers cto candidates and even the youtube creator space la headquarters i039m also hosting a gathering for web series professionals on december 18ththe entire adventure will be updated via blog and video content at wwwcareymartellcom the finished documentary will also be featured during my playlist live presentation of martelltv to meet the launch goals and finish the technology i plan to sell 8 stations at 5000 each and develop enough traction to attract more investors i have been greatly encouraged by industry interest in supporting my company because of the presentation timeline and impending market competition this is truly my last chance to make the idea reality thank you for your support |
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speakouthiv : matthew rodriguez
Bookmarked 600 weeks ago i really dont know where to begin my name is matthew rodriguez-thacker i am seventeen years old and a senior in high school i reside in georgia i will be graduating in december of this current year 2014 okay so i really dont know where to startive been going through this emotional toll so about in the ending of june my mother and i left to new york for a couple of days so we can fix on her church one evening i told my mother i was at my cousins house but really i left to the city because pride was in town me being young i just didnt put any thought into this decision so i went to the big city alone i was down there and i was having the time of my life i really regret so after my view of the citys life style i was walking from the pier to the train station and a group of youngsters were walking toward the pier so i decided to take a side street because i didnt feel comfortable as im walking down i hear heavy breathing a couple of yards behind me so i picked up my pace and walked a bit fast that was when the darkest moment of my life occurred all i remember was getting hit in the head with what felt to be a fist then waking up with my pants below my waist that was the worst day of my life so after that i never told anyone until about a month later so i went and got tested for any stds about a week later i had received the news that ultimately changed my life i came to find out that i have been diagnosed with hiv as of august 21st 2014the first couple of days were rough but i came to realize never to let anything bring me down i just made a commitment to focus only on school and my ambitions before then my ambitions were immense but i sometimes was deficient of confidence but now ive realized life is too short to stall on your ambitions my ambitions are to become a motivational speaker actor singer poet and a writer i want to show people never to give up no matter the situation never to think that youre a complete fiasco when things dont turn out the way you hoped just keep trying and trying until it finally met your satisfaction i want to empower young adults around my age range i just hate seeing youngsters that are so talented never putting in any effort or hard work into their dreams also i become upset when people feel as if they have no purpose in this world everyone was placed in the world for a reason they need to realize everyone has a purpose i really want to get my voice heard and be a role model to the society i want them to realize no matter how many innumerable tribulations they may face at no time must the leave high and dry on a ambitions they eulogizei was lost but now ive found my purpose my purpose is to guide the lost mindsets change the negative ways people think also ive been place to inspire lyrically prophetically and verbally ive also come to realize my destiny my destiny is to become a brand larger than life when i ever become in the field of success no matter what it may bring my way fame andor money i will i never will change who or the way i am i will always remember where i come from and always give thanks to the people that changed and inspired mei really do not have any resources i039m just now learning all the basics i need a mentor someone to guide me help me become a better artist and help me build a better future i need my voice to be heard i need help |
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navratri special day 8 jai ambe gauri - ambe mata ki aarti bhajan color sky blue maa mahagauri
Bookmarked 392 weeks ago navratri special day 8 jai ambe gauri - ambe mata ki aarti bhajan color sky blue mahagaurisubscribe and stay updated for more durga maa mantras amp bhajans http:googlj8k2nglad you found our videos on youtube if you are new to our channel a big virtual hug to you welcome to the quotspiritual mantraquot familyhit 039like039 amp 039subscribe039 and show us your support :post your comments below and share our videos with your friends spread the love :origin - according to hindu mythologies the goddess shailputri at the age of sixteen was extremely beautiful and was blessed with fair complexion due to her extreme fair complexion she was known as goddess mahagauri navratri worship - goddess mahagauri is worshipped on the eighth day of navratri governing planet - it is believed that the planet rahu is governed by goddess mahagauri iconography - the mount of goddess mahagauri as well as goddes |
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five nights at freddy039s - shaggy and scooby arrive at an abandoned pizza place
Bookmarked 513 weeks ago shaggy and scooby meet spring trap golden freddy chica bonnie from five night039s at freddy039s it039s a stormy night and scooby and the gang are lost they come upon a scary pizza place shaggy is hungry and doesn039t care that the pizzeria looks sketchysome scenes in this video might be scary for children in this video i also do a toy review of five nights at freddy039s figurines set 1 and set 2 set 1 comes with chica foxy golden freddy and an animatronics skeleton set 2 comes with freddy bonnie spring trap and balloon boy i also review scooby doo039s haunted houseif you enjoy scary videos for kids and scooby doo shows you will like this video if you don039t like scary videos you might want to watch my other doll videosalong the shoreline - seasons 1 2 and 3https:wwwyoutubecomwatchv=-uhzhewa8ngamplist=plifepp21jlehkstbh4c2fflzqupporacuampindex=1other playlists you might likedisney princess and other fairy taleshttps:wwwyoutubecomplayli |
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lata mangeshkar - khilte hain gul yahan - sharmilee 1971
Bookmarked 557 weeks ago note :- all copy rights vest with its true ownerno copyright violations or copyright infringement are intended not for commercial purpose loaded for fun ampamp enjoyment song:khilte hain gul yahanmusic:sdburmanlyrics:neerajsinger:lata mangeshkarfilm:sharmileesharmilee is a 1971 hindi movie produced by subodh mukherjee and directed by samir ganguly the film stars shashi kapoor rakhee ranjeet anwar and asit sen the films very popular music is by s d burman rakhee played a double role in this film and its success helped make her one of the decades top leading lady in hindi filmsit is interesting to note that young indian woman flocked to the theaters to watch the female stars of the time like raakhee sharmila tagore sadhana and zeenat aman to see what new western fashions hairstyle and make-up they were wearing often the new styles seen in films became the fashion rage on the streetampquotsharmileeampquot is also full of classic music by sd burman sung by kishore kumar asha bhonsle and lata mangeshkar the songs amp039o meri sharmileeamp039 amp039khilte hain gul yahanamp039 and the lata-kishore duet amp039aaj madhosh huaamp039 were chart toppers the film also was a huge hit and was instrumental in making bengali actress raakhee a big star in bollywoodrakhee born 15 august 1947 is a indian film actor who appeared in lead roles in the 1970s and 1980s both in hindi cinema as well as in bengali cinema and is most remembered for her role in daag reshma aur shera sharmilee bemisal trishul muqaddar ka sikandar kabhie kabhie and ram lakhan she is popularly known as rakhee gulzar after her marriage with lyricist-director gulzar while still a teenager rakhee had an arranged marriage to bengali film director ajay biswas which ended shortly and unhappily thereaftershe was offered the lead role in her first hindi film rajshri productions jeevan mrityu with dharmendra in 1970 the film went on to become a big hit including its song amp039jhilmil sitaron ka aangan hogashe shot to fame in the 1971 film sharmilee where she played a double role opposite shashi kapoor consequently she established herself as a popular and major hindi heroine acting with the best co-stars and directors in several blockbuster films like heera panna 1973 daag 1973 blackmail 1973 and tapasya 1976 to her great advantage she formed an extremely popular romantic screen team with the reigning king of bollywood amitabh bachchan they went on to star in no less than eight hit films kabhie kabhie 1976 muqaddar ka sikander 1977 kasme vaade 1978 trishul 1978 kaala patthar 1979 jurmana 1979 barsaat ki ek raat 1981 and bemisal 1982 with her main focus on good roles rather than star status raakhee raised eyebrows when she did not hesitate to play amithabamp039s elder sister-in-law in shaan 1980 and even his mother in the film shakti 1982 when their romantic pairing was still at the height of its popularity she also played his dead mother in lawaaris 1981towards the mid 1980s and 1990s she played elderly mother or supporting roles in films such as ram lakhan 1989 baazigar 1993 khalnayak 1993 karan arjun 1995 border 1997 soldier 1998 and baadshah 1999her last film was shubho mahurat in 2003 for which she won the national film award for best supporting actress and she has since retired from the film industryin her second marriage she married film director poet and lyricist gulzar the couple had a daughter meghna gulzar bosky though when their daughter was only one year old they separated but never divorced meghna gulzar grew up with her father gulzar and after completing her graduation in films from new york university went on to become a film director of films like filhaal just married and dus kahaniyaan and also a biography of her father gulzar in 2004 at one point rakhee stayed in her bungalow muktangan on sarojini road in khar mumbai later she sold off the property and moved to an apartment two buildings away though the new high rise is still called by the same name as she had wished these days she mostly stays in the panvel farmhouse on mumbai outskirts |
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wow my forex trading results video 2
Bookmarked 520 weeks ago forex trading results my resultshttp:wwwtotalshortcutcomcp1id=bimemampad=if you have a problem and that problem is that you do not have enough money and you would like to solve that problem then this link is for youthis is the solution to financial and time freedomhello and welcomethis is my second video in this series where i show and share exactly with you everything that i have done so far up to now and will share with you all my knowledge when it comes to forex trading and online marketingthis video is all about my forex trading results i share with you all the pairs and patterns that i tradei also share with you a sheet which is a fixed ratio money management spreadsheet that does something very amazing to your bank account only if you have a system that is profitable and you know will make you lots of money in the long termi go over the sheet and share with my forex trading results for the year 2015 and exactly how many pips i made for the year 2015i |
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a beautiful woman drugged and raped this man and videotaped the entire process
Bookmarked 67 weeks ago watch a beautiful woman drugged and raped this man and videotaped the entire process 2019 runtime: 04:00 categories: beautiful woman drugged raped this the man also the whole process video porn selfie online viewing adult sex sex porn hornyhill hornyhillse |