first_img RelatedThe world’s most cultural cities (including a few surprises…)Looking to expand your horizons on an arts and culture-filled holiday? Look no further than this list of global capitals of culture – spanning relics of ancient civilisations, art from movements that changed the world, and the exciting leaders of today’s cultural and culinary renaissances. 1. Florence, Italy – fly from…5 of the most walkable cities in the worldForget confusing public transport and budget-busting taxis. The best way to experience a city like a local is on your own two feet. Not to mention it’s free, and eco-friendly too. We’ve picked five destinations where you can literally take exploring in your stride and suggested routes that join the…How to holiday in Japan on a budgetFancy experiencing the technology of tomorrow in Tokyo, or meeting traditional Geisha girls in Kyoto, but you think Japan is too expensive? Think again. Here are seven tips, plus a video, on how to travel in Japan and see the big sights on a budget. More Brits could be encouraged to book flights to Japan and travel to Kyoto thanks to the city’s growing reputation as a culinary hotspot.This is according to the Japan National Tourist Organisation, which commented after the publication of a new Michelin guide to Kyoto and Osaka this month.Kylie Clark, JNTO’s press manager, said that Kyoto visitors should not miss the city’s dining and cultural offerings, with one of the highlights being a night in a ryokan – a traditional inn – with a kaiseki dinner.”The two cities have already received quite a bit of press since becoming Michelin-starred cities, so the recognition alone of their restaurants being good enough to warrant a Michelin guide is sure to have already lured some foodie travellers to visit them,” she commented.Ms Clark went on to say that that Kyoto’s cuisine is a “template” upon which Japan’s culinary culture has grown from.Kyoto locals, who are known for their passionate approach towards food, have an expression called ‘kuidaore’, which translates as “to eat ’til you drop”.ReturnOne wayMulti-cityFromAdd nearby airports ToAdd nearby airportsDepart14/08/2019Return21/08/2019Cabin Class & Travellers1 adult, EconomyDirect flights onlySearch flights Maplast_img

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first_imgMaterials that heal themselves are going bigtime. Scientists have cooked up a chemical concoction that can patch a 9-millimeter-wide hole in a sheet of plastic, a self-repair orders of magnitude larger than ever demonstrated before. The finding could lead to new kinds of airplane wings and spacecraft components that can repair themselves midflight.“It’s exciting; I think it’s a big step forward in being able to autonomously heal structures without intervention,” says University of Michigan, Ann Arbor, mechanical engineer Ellen Arruda. She calls the researchers’ scheme “the polymer equivalent of a blood clot.”Complex life could never have evolved without the ability to heal itself. When an animal suffers a puncture wound, for example, compounds flow from blood vessels to the wound site, where they feed the growth of new tissue to fill the damaged area. The process, however, requires a vascular system to deliver the needed components. Because most nonliving materials lack this complexity, repair typically requires human intervention.Sign up for our daily newsletterGet more great content like this delivered right to you!Country *AfghanistanAland IslandsAlbaniaAlgeriaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBolivia, Plurinational State ofBonaire, Sint Eustatius and SabaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBrunei DarussalamBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColombiaComorosCongoCongo, The Democratic Republic of theCook IslandsCosta RicaCote D’IvoireCroatiaCubaCuraçaoCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland Islands (Malvinas)Faroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard Island and Mcdonald IslandsHoly See (Vatican City State)HondurasHong KongHungaryIcelandIndiaIndonesiaIran, Islamic Republic ofIraqIrelandIsle of ManIsraelItalyJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKorea, Democratic People’s Republic ofKorea, Republic ofKuwaitKyrgyzstanLao People’s Democratic RepublicLatviaLebanonLesothoLiberiaLibyan Arab JamahiriyaLiechtensteinLithuaniaLuxembourgMacaoMacedonia, The Former Yugoslav Republic ofMadagascarMalawiMalaysiaMaldivesMaliMaltaMartiniqueMauritaniaMauritiusMayotteMexicoMoldova, Republic ofMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorwayOmanPakistanPalestinianPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalQatarReunionRomaniaRussian FederationRWANDASaint Barthélemy Saint Helena, Ascension and Tristan da CunhaSaint Kitts and NevisSaint LuciaSaint Martin (French part)Saint Pierre and MiquelonSaint Vincent and the GrenadinesSamoaSan MarinoSao Tome and PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSint Maarten (Dutch part)SlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia and the South Sandwich IslandsSouth SudanSpainSri LankaSudanSurinameSvalbard and Jan MayenSwazilandSwedenSwitzerlandSyrian Arab RepublicTaiwanTajikistanTanzania, United Republic ofThailandTimor-LesteTogoTokelauTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTurks and Caicos IslandsTuvaluUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUruguayUzbekistanVanuatuVenezuela, Bolivarian Republic ofVietnamVirgin Islands, BritishWallis and FutunaWestern SaharaYemenZambiaZimbabweI also wish to receive emails from AAAS/Science and Science advertisers, including information on products, services and special offers which may include but are not limited to news, careers information & upcoming events.Required fields are included by an asterisk(*)Recently, though, scientists and engineers have begun designing materials that can patch up small defects. In one such scheme, narrow channels similar to animal blood vessels deliver compounds that seal small fissures in a material made of fiberglass and polymer resins. So far, such systems have only repaired fractures so small that opposite sides of the wound nearly touch. When the damage site is larger—say, the size of a bullet hole—liquid compounds tend to leak out before they can form a seal.Now, scientists and engineers from the University of Illinois, Urbana-Champaign, report a two-part solution to fill such big voids. In the first step, the researchers filled two parallel 330-micrometer-diameter channels with two mixtures of organic molecules known to combine to form solid and semisolid structures; the mixtures were dyed red and blue. The researchers then embedded the channels in a 3-millimeter-thick plastic sheet, laid the sheet flat and punctured it, causing the red and blue mixtures to flow into the nearly circular hole and mingle with each other. A catalyst joined the two compounds into cross-linked fibers, resulting in a semisolid gel that filled the hole from the outside in.The gel’s fibers formed a netlike scaffold that set the stage for the second step in the healing by supporting a third compound that flowed in from the channels. This compound reacted to form solid crisscrossing polymers, which filled in the hole and surrounding cracks with a cloudy, purplish substance. The polymer made a seal with the original clear plastic and restored most of the material’s strength.“What we did here was what I like to call repair by regrowth,” says chemist Jeffrey Moore, a research team member. He says the critical insight was choosing chemicals that react at different rates, so the net could form before polymerization started. “Timing is everything here,” Moore says.Moore and his colleagues report online today in Science that their scheme can repair a hole nearly 1 centimeter in diameter, with cracks radiating over an area 3.5 centimeters in diameter. This is about 100 times larger than any previously self-repaired defect in a nonliving material, Moore says. A system like theirs could someday be part of self-healing airplane wings or spaceship components that include composite materials made of multiple constituents. Humans cannot easily repair such components during flight.But Arruda says that unlike in a human wound, which is eventually repaired with the same kind of tissue that was originally lost, the makeup of Moore’s team’s polymer differs from that of the original plastic. As a result, the repaired material is somewhat weaker than an intact sheet; in tests, it can absorb only about 62% as much energy from an impact. The researchers will also need to show that their repairs hold up under a range of real-world conditions like varying humidity and extreme temperatures, she says.last_img

first_imgDon’t miss out on the latest news and information. Hotel says PH coach apologized for ‘kikiam for breakfast’ claim Desiderio hits last-second 3 as UP escapes UST Sports Related Videospowered by AdSparcRead Next For the complete collegiate sports coverage including scores, schedules and stories, visit Inquirer Varsity. LATEST STORIES Ethel Booba on hotel’s clarification that ‘kikiam’ is ‘chicken sausage’: ‘Kung di pa pansinin, baka isipin nila ok lang’ Celebrity chef Gary Rhodes dies at 59 with wife by his side View comments NATO’s aging eye in the sky to get a last overhaul Photo by Tristan Tamayo/INQUIRER.netDe La Salle University held on to beat Far Eastern University, 95-90, to start its title-retention bid in the UAAP Season 80 men’s basketball tournament Sunday at Mall of Asia Arena.The Green Archers erected 23-point lead, 37-14, in the second quarter and were poised to go on cruise control but the Tamaraws were able to slowly chip away deficit.ADVERTISEMENT Celebrity chef Gary Rhodes dies at 59 with wife by his side The reigning UAAP MVP is playing for his country Cameroon in the Fiba Afrobasket.Dennison had 21 points for FEU while Comboy added 13. Lacson: SEA Games fund put in foundation like ‘Napoles case’ Robredo should’ve resigned as drug czar after lack of trust issue – Panelo “For sure we’re going to learn from this,” said La Salle head coach Aldin Ayo in Filipino. “These are the games that we’re sure we’ll learn from especially on improving our composure late into the game. Ron Dennison and Wendell Comboy nailed back-to-back triples in the final two minutes of the game to cut the deficit to five, 90-85, giving FEU a glimmer of hope.FEATURED STORIESSPORTSSEA Games: Biñan football stadium stands out in preparedness, completionSPORTSPrivate companies step in to help SEA Games hostingSPORTSBoxers Pacquiao, Petecio torchbearers for SEA Games openingLa Salle, however, was able to hold on and capitalize on FEU’s late miscues.Aljun Melecio put up a career-high 29 points to lead the Green Archers, who played without big man Ben Mbala. Robredo: True leaders perform well despite having ‘uninspiring’ boss PLAY LIST 02:49Robredo: True leaders perform well despite having ‘uninspiring’ boss02:42PH underwater hockey team aims to make waves in SEA Games01:44Philippines marks anniversary of massacre with calls for justice01:19Fire erupts in Barangay Tatalon in Quezon City01:07Trump talks impeachment while meeting NCAA athletes02:49World-class track facilities installed at NCC for SEA Games Trump signs bills in support of Hong Kong protesters MOST READlast_img

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