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Peopleoftenthinkthatthefutureoftransportationisveryfarawayfromthem.Butinfact,itisn’t.Tosomeextent,itisjustaroundthecorner.Weoftengetstuckinthetrafficjams,andcarownersalwayscomplainaboutthehighpriceofpetrol.Andwhenwetravelbyair,wefrequentlyfinditunbearablethattheplaneusuallyarrivelate.Herearethesolutionsweareexpectingforages,theflyingcars,thesolarcarsandtheVacuumhigh-speedtrain.Theideaofflyingcarsarenotnewatall.Sincecarsbecomepopular,andtrafficjamsoccurfromtimetotime,peoplehasbeenimaginingcarswhichcanfly.Thefirstpracticalflyingcar,TF-X,wasflownsuccessfullyinMarch2009,America.InJuly2010,thetransformablecarproducedbyTerrafugiaCoporationwasgivenpermissiontobeputonproductioninbigsize.Uptonow,therearecarsflywithwingslikeAirCarandAeroMobil,helicopter-likecarslikePAL-VandX-HAWK,andtilt-rotor-modecarslikeTF-X.Flyingcarswithwingscanflyreallyfast,withamaximumspeedof200mph,buttheyneedarunwaybeforetakingoff.Comparedwithwingedcars,helicopter-likecarsflyslower,buttheytakeoffinanuprightposition,withouttakingupmuchspace.Tilt-rotor-modecarshavebothoftheiradvantages,sotheyarethebestonesformostofus.AeroMobilPAL-VTF-XItisveryhottostayinthesunlight.Howaboutpoweringupourcarswithsunlightinsteadofpetrol?Intoday’senergycrisis,it’stimeforustodevelopsomekindsofnewenergyresources,likesolarenergy,tidalenergy,geothermalenergyandsoon.Amongthem,thesolarpoweristhemostconvenienttocollectandtransform,sosolarcarsseemtobeveryattractive.Inaway,solarcarisakindofelectric-poweredcar,butunlikeotherelectric-poweredcars,solarcarschargewiththeirownsolarbatteries.Sotheywon’ttakeanyenergyfromtheelectrifiedwirenetting.Inaword,theyhavenocarbonemission.Sosolarcaristhoughttobeasolutiontotheenergycrisis.Andwithoutthenoisyinternal-combustionengines,solarcarssimplyproducelittlenoise.Butsolarcars’disadvantangesareobviousaswell.Theycannotgoveryfast,andtheycannotcarryveryheavyweight,forthemotorsarenotaspowerfulasthesame-sizedengines,andtheirsolarbatteriesonthesurfacearen’tsostrongassteel.Theworstthingisthattheycannotworkwithoutsunshine.Thatmeanstheyareuselessinsituationslikenightsorcloudydays.Hopefully,latesttechnologycanbringsolutionstoallthoseproblems.Storagebatterieswithlargecapacity,solarbatterieswithhigherefficiency,high-poweredmotors,andhigh-strengthplasticcanbeused,sosolarcarscanbestronger,andwon’tbeafraidofdarkness.SolarcarsStillcomplainingabouttheplanesthatalwaysarrivelate?TheVacuumhigh-speedtrainiscomingtowardsus.Thetrainitselfrunsinafull-sealedtube,whichmeansthetrainwon’tcomeunderbigairresistanceasnormaltrainsorplanes.Gowithmagneticsuspensiontechniques,itcanreachaspeedof1,000km/h.TheVacuumhigh-speedtraingreatlyreducesthecostsofenergy,anditmakeslittlenoise.Asitscartisverylightandcheap,thetransportsystemcansendtrainsinaratemuchhigherthanplanes,sowewon’tbeworriedthatthetrainwouldbelate.Wecanjusttakelongjourneysaswetakesubways.Butthereisonething:thewholesystemrequiresalargenetbuiltwithtubes,whichcostsalotofmoney,andthetubesneedtobefixedfrequentlyinordertokeeptheirtightness.Soscientistssuggestthatthepriceofaticketwillbeabithigherthanhigh-speedtrains,butastechnologydevelops,thepricewillbequitelow.Asforus,wewilltakemuchmorepleasanttripsintheVacuumhigh-speedtrainsthanthosewetakeinplanestoday.Vacuumhigh-speedtrain