ABOUT THE SPEAKER
Raymond Wang - Inventor
Raymond Wang won the top prize in the 2015 Intel Science and Engineering Fair for his invention that circulates fresh air on planes and reduces transmission of germs between passengers.

Why you should listen

Raymond Wang is a Canadian youth innovator who is passionate about science, technology, engineering and entrepreneurship. He is one of Canada's Top 20 Under 20, and most recently, the recipient of the Gordon E. Moore award for the Top Project at the 2015 Intel International Science and Engineering Fair (ISEF).

Raymond enjoys exploring STEM and promoting global sustainability. His latest engineering innovations, including his work with aircraft cabin airflow and his inventions of the “Weather Harvester,” “Smart Knee Assistant” and "Smart Bin,” have achieved international recognition.

Raymond is enthusiastic about inspiring others to pursue STEM opportunities. He actively reaches out to the local community through camps & associations, in addition to communities around the world through YouTube & Modern Media.

Having a strong passion for sustainability, Raymond has founded Sustainable Youth Canada, a youth-led non-profit organization dedicated to empowering young people in Affiliated Regions established from coast to coast to be leaders in tackling issues with environmental and energy sustainability.

In his spare time, Raymond enjoys exploring music as both a National Youth Band clarinetist and an avid pianist. He is also a keen director of films and videos; many of his productions have been recognized at local film festivals. 

Raymond envisions himself pursuing a career in science, applying research and innovation with a business approach to do his part in bettering the world.

More profile about the speaker
Raymond Wang | Speaker | TED.com
TEDYouth 2015

Raymond Wang: How germs travel on planes -- and how we can stop them

Raymond Wang: Hvordan smitte rejser med fly -- og hvordan vi kan stoppe det

Filmed:
1,821,024 views

Raymond Wang er kun 17 år, men han er allerede i gang med at bygge en sundere fremtid. Ved at bruge fluid dynamics, skabte han en computermodel af hvordan luft bevæger sig i et fly og hvad han fandt ud af var foruroligende -- når en person nyser i et fly, vil luftstrømmene faktisk hjælpe med at sprede smittebærer til andre passagerer. Wang delte en uforglemmelig animation af hvordan et nys rejser inde i en flykabine, ligesom sin prisvindende løsning: en lille finneformet dims som forøger den friske luftstrøm inde i fly og dirigerer smittefuldt luft ud af cirkulation.
- Inventor
Raymond Wang won the top prize in the 2015 Intel Science and Engineering Fair for his invention that circulates fresh air on planes and reduces transmission of germs between passengers. Full bio

Double-click the English transcript below to play the video.

00:13
Can I get a showat vise of handshænder --
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Må jeg få en håndsoprækning,
00:15
how manymange of you in this roomværelse
have been on a planefly in this pastforbi yearår?
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hvor mange af jer, i dette rum,
har været på et fly i det seneste år?
00:20
That's prettysmuk good.
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Det er udemærket.
00:21
Well, it turnsdrejninger out that you
sharedel that experienceerfaring
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Det viser sig, at I
deler den oplevelse
00:24
with more than threetre billionmilliard
people everyhver yearår.
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med flere end tre milliarder
mennesker hvert år.
00:27
And when we put so manymange people
in all these metalmetal tubesrør
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Og når vi sætter så mange mennesker
ind i alle de metal rør
00:30
that flyflyve all over the worldverden,
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som flyver overalt i verden,
00:31
sometimesSommetider, things like this can happenske
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kan ting som dette forekomme
00:34
and you get a diseasesygdom epidemicepidemi.
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og vi får en sygdoms epidemi.
00:37
I first actuallyrent faktisk got into this topicemne
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Jeg kom først rigtigt ind i dette emne
00:39
when I heardhørt about the EbolaEbola
outbreakudbrud last yearår.
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da jeg hørte om ebolaens
udbrud sidste år.
00:41
And it turnsdrejninger out that,
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Og det viser sig,
00:43
althoughSelvom EbolaEbola spreadsspreder sig
throughigennem these more range-limitedvifte-limited,
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at selvom ebola spreder sig
gennem dråber
00:46
large-dropletstore-slipværktøj routesruter,
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indenfor en begrænset afstand,
00:47
there's all these other sortssorterer of diseasessygdomme
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er der mange andre typer sygdomme
00:49
that can be spreadsprede in the airplanefly cabinkabine.
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der kan spredes i et flys kabine.
00:51
The worstværst parten del is, when we take
a look at some of the numbersnumre,
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Det værste er, når vi ser
på nogle af tallene,
00:54
it's prettysmuk scaryskræmmende.
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det er temmelig skræmmende.
00:56
So with H1N1,
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Med H1N1, (svineinfluenza),
00:57
there was this guy that decidedbesluttede
to go on the planefly
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var der en mand der valgte
at rejse med fly
01:00
and in the matterstof of a singleenkelt flightflyvningen
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og i løbet af denne ene flyvning
01:02
actuallyrent faktisk spreadsprede the diseasesygdom
to 17 other people.
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spredte sygdommen sig
til 17 andre mennesker.
01:04
And then there was this
other guy with SARSSARS,
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Og så var der fyren med SARS,
01:06
who managedlykkedes to go on a three-hourtre-time flightflyvningen
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som under en 3-timers flyvning
01:08
and spreadsprede the diseasesygdom to 22 other people.
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spredte sygdommen til 22 andre.
01:11
That's not exactlyNemlig my ideaide
of a great superpowersupermagt.
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Det er ikke just min ide
om et stort talent.
01:15
When we take a look at this,
what we alsoogså find
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Når kigger på dette,
finder vi også ud af
01:18
is that it's very difficultsvært
to pre-screenfør skærmen for these diseasessygdomme.
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at det faktisk er ret svært,
at spore disse sygdomme.
01:21
So when someonenogen actuallyrent faktisk
goesgår on a planefly,
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Så når nogen stiger på et fly,
01:23
they could be sicksyg
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kan de være syge
01:24
and they could actuallyrent faktisk
be in this latencyventetid periodperiode
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og de kunne faktisk være
i den latens periode
01:27
in whichhvilken they could actuallyrent faktisk
have the diseasesygdom
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hvor de har sygdommen
01:29
but not exhibitudstille any symptomssymptomer,
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men ikke viser nogen symptoner,
01:31
and they could, in turntur,
spreadsprede the diseasesygdom
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og de kan sprede sygdommen
01:33
to manymange other people in the cabinkabine.
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til mange andre i flyet.
01:35
How that actuallyrent faktisk worksarbejder is that right now
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I øjeblikket fungerer det således at,
01:37
we'vevi har got airluft comingkommer in
from the toptop of the cabinkabine
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luften kommer ind
øverst i kabinen
01:39
and from the sideside of the cabinkabine,
as you see in blueblå.
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og fra siden af kabinen,
som du kan se med blåt.
01:41
And then alsoogså, that airluft goesgår out
throughigennem these very efficienteffektiv filtersfiltre
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Luften ledes ud gennem
disse meget effektive filtre,
01:46
that eliminateeliminere 99.97 percentprocent
of pathogenspatogener nearnær ved the outletssalgssteder.
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som eliminerer 99,97 procent
af patogenerne, nær udsugene .
01:51
What happenssker right now, thoughselvom,
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Det der sker nu, er dog
01:52
is that we have this
mixingblande airflowluftstrøm patternmønster.
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at luften blandes.
01:55
So if someonenogen were to actuallyrent faktisk sneezeNYSE,
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Dvs. hvis nogen nyser,
01:56
that airluft would get swirledsvirrede
around multiplemange timesgange
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bliver luften hvirvlet rundt
flere gange
01:59
before it even has a chancechance
to go out throughigennem the filterfilter.
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inden det passerer
gennem et filter.
02:03
So I thought: clearlyklart, this
is a prettysmuk seriousalvorlig problemproblem.
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Jeg tænkte: "Der er et helt indlysende
alvorligt problem her.
02:07
I didn't have the moneypenge
to go out and buykøbe a planefly,
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Jeg havde ikke pengene til at
købe et fly,
02:10
so I decidedbesluttede to buildbygge a computercomputer insteadi stedet.
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og valgte istedet at bygge en computer.
02:13
It actuallyrent faktisk turnsdrejninger out that
with computationalberegningsmæssige fluidvæske dynamicsdynamik,
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Det viste sig, at ved beregning
af væskers bevægelse,
02:16
what we're ablei stand to do
is createskab these simulationssimuleringer
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kan vi skabe simulationer
02:18
that give us higherhøjere resolutionsresolutioner
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der giver os mere nøjagtige resultater
02:20
than actuallyrent faktisk physicallyfysisk going
in and takingtager readingsaflæsninger in the planefly.
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end de vi kan få ved fysisk at
foretage aflæsninger i flyet.
02:24
And so how, essentiallyvæsentlige, this worksarbejder
is you would startStart out
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Det virker helt basalt ved
at vi starter
02:27
with these 2D drawingstegninger --
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med 2D tegninger --
02:29
these are floatingflydende around
in technicalteknisk paperspapirer around the InternetInternet.
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som man kan i tekniske dokumenter
overalt på Internettet.
02:32
I take that and then I put it
into this 3D-modelingD-modellering softwaresoftware,
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Dem lægger jeg ind i et
3D-modellerings program,
02:35
really buildingbygning that 3D modelmodel.
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og bygger 3D-modeller.
02:37
And then I dividedele that modelmodel
that I just builtbygget into these tinylille bitte piecesstykker,
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Derefter deler jeg modellen
i meget små dele,
02:41
essentiallyvæsentlige meshingmeshing it so that
the computercomputer can better understandforstå it.
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som computeren bedre kan forstå.
02:45
And then I tell the computercomputer where
the airluft goesgår in and out of the cabinkabine,
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Jeg fortæller den herefter, hvor
luften kommer ind og ud af kabinen,
02:49
throwkaste in a bunchflok of physicsfysik
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tilføjer lidt fysik
02:50
and basicallyi bund og grund sitsidde there and wait untilindtil
the computercomputer calculatesberegner the simulationsimulering.
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og venter så mens computeren
beregner simulationen.
02:56
So what we get, actuallyrent faktisk,
with the conventionalkonventionel cabinkabine is this:
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Resultatet vi får i med en
almindelig kabine er:
02:59
you'llvil du noticevarsel the middlemidten personperson sneezingnysen,
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Bemærk personen i midten der nyser,
03:02
and we go "SplatSplat!" -- it goesgår
right into people'sfolks facesansigter.
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og så "Splat!" - direkte ind
i folks ansigter.
03:06
It's prettysmuk disgustingulækkert.
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Det er temmelig ulækkert.
03:08
From the frontforan, you'llvil du noticevarsel
those two passengerspassagerer
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Set forfra har vi disse
to passagerer
03:11
sittingsidder nextNæste to the centralcentral passengerpassager
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ved siden af ham i midten,
03:12
not exactlyNemlig havingat have a great time.
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der ikke har det særlig sjovt.
03:14
And when we take a look
at that from the sideside,
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Og når vi ser det fra siden,
03:16
you'llvil du alsoogså noticevarsel those pathogenspatogener
spreadingbreder sig acrosset kors the lengthlængde of the cabinkabine.
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vil du også bemærke patogenerne
der spredes igennem kabinen.
03:22
The first thing I thought was,
"This is no good."
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Det første jeg tænkte var:
"Det her er ikke godt."
03:24
So I actuallyrent faktisk conductedgennemført
more than 32 differentforskellige simulationssimuleringer
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Og så gennemførte jeg over
32 forskellige simulationer
03:27
and ultimatelyultimativt, I camekom up
with this solutionløsning right here.
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og til sidst kom jeg frem til
denne løsning.
03:31
This is what I call a -- patentpatent pendingverserende --
GlobalGlobal InletIndløb DirectorDirektør.
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Det er hvad jeg kalder - patent afventer -
Global Inlet Director.
03:34
With this, we're ablei stand to reducereducere
pathogenpatogenet transmissiontransmission
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Nu kan vi reducere
overførelsen af patogener
03:37
by about 55 timesgange,
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ca 55 gange,
03:39
and increaseøge fresh-airfriske luft inhalationindånding
by about 190 percentprocent.
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og forøge indånding af frisk luft
med cirka 190 procent.
03:42
So how this actuallyrent faktisk worksarbejder
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Det fungerer ved
03:44
is we would installinstallere this piecestykke
of compositesammensatte materialmateriale
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at vi installerer et
sammensat materiale
03:47
into these existingeksisterende spotspletter
that are alreadyallerede in the planefly.
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eksisterende steder i flyet.
03:50
So it's very cost-effectiveomkostningseffektiv to installinstallere
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Det er derfor billigt at installere
03:52
and we can do this directlydirekte overnightnatten over.
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og kan udføres på en enkelt dag.
03:54
All we have to do is put a couplepar
of screwsskruer in there and you're good to go.
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Der skal blot isættes et par skruer,
og så er den klar igen.
03:57
And the resultsresultater that we get
are absolutelyabsolut amazingfantastiske.
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Og resultaterne heraf,
er fuldstændig fantastiske.
04:00
InsteadI stedet of havingat have those problematicproblematisk
swirlinghvirvlende airflowluftstrøm patternsmønstre,
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Istedet for at have de problematiske,
hvirvlende luftmønstre,
04:04
we can createskab these wallsvægge of airluft
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så kan vi lave vægge af luft
04:05
that come down in-betweenmellem the passengerspassagerer
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som kommer ned mellem passagerene
04:08
to createskab personalizedpersonlig breathingvejrtrækning zoneszoner.
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og laver personlige åndezoner.
04:09
So you'llvil du noticevarsel the middlemidten passengerpassager
here is sneezingnysen again,
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Her ser vi igen passagereren
i midten der nyser,
04:12
but this time, we're ablei stand
to effectivelyEffektivt pushskubbe that down
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men denne gang kan vi effektivt
presse det ned
04:15
to the filtersfiltre for eliminationelimination.
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og eliminere det i filtrene.
04:18
And samesamme thing from the sideside,
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Og det samme fra siden,
04:19
you'llvil du noticevarsel we're ablei stand to directlydirekte
pushskubbe those pathogenspatogener down.
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hvor vi direkte kan skubbe
patogenerne ned.
04:23
So if you take a look again now
at the samesamme scenarioscenarie
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Når vi ser samme scenarie igen,
04:27
but with this innovationinnovation installedinstalleret,
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men den nye opfindelse installeret,
04:28
you'llvil du noticevarsel the middlemidten
passengerpassager sneezesnyser,
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ser du passageren i
midten nyse,
04:30
and this time, we're pushingat skubbe
that straightlige down into the outletudløb
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og denne gang presser vi det direkte
ned i udsugningen
04:34
before it getsfår a chancechance
to infectinficere any other people.
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før det smitter andre personer.
04:37
So you'llvil du noticevarsel the two passengerspassagerer
sittingsidder nextNæste to the middlemidten guy
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De to passagerer ved siden af
ham i midten
04:40
are breathingvejrtrækning virtuallystort set
no pathogenspatogener at all.
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indånder stort set ingen patogener.
04:43
Take a look at that from the sideside as well,
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Se det også fra siden,
04:45
you see a very efficienteffektiv systemsystem.
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det er et meget effektivt system.
04:47
And in shortkort, with this systemsystem, we winvinde.
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Kort fortalt: Med dette system vinder vi.
04:51
When we take a look at what this meansmidler,
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Dette betyder ikke kun
04:54
what we see is that this not only worksarbejder
if the middlemidten passengerpassager sneezesnyser,
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at det virker når personen i midten nyser,
04:57
but alsoogså if the window-seatvindue-sæde
passengerpassager sneezesnyser
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men også når personen ved vinduet nyser,
05:00
or if the aisle-seatmidtergangen-sæde passengerpassager sneezesnyser.
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eller hvis personen ved gangen nyser.
05:03
And so with this solutionløsning, what does
this mean for the worldverden?
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Hvad betyder dette for verden?
05:06
Well, when we take a look at this
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Når vi overfører det
05:09
from the computercomputer simulationsimulering
into realægte life,
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fra computer simulation til
det virkelige liv
05:12
we can see with this 3D modelmodel
that I builtbygget over here,
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kan vi med 3D modellen,
05:15
essentiallyvæsentlige usingved brug af 3D printingtrykning,
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og et 3D print,
05:17
we can see those samesamme
airflowluftstrøm patternsmønstre comingkommer down,
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se at luftens mønster
er nedadgående
05:20
right to the passengerspassagerer.
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direkte til passagererne.
05:22
In the pastforbi, the SARSSARS epidemicepidemi
actuallyrent faktisk costkoste the worldverden
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Førhen kostede SARS epidemien verden
05:26
about 40 billionmilliard dollarsdollars.
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ca 40 milliarder dollars.
05:27
And in the futurefremtid,
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Og i fremtiden,
05:29
a bigstor diseasesygdom outbreakudbrud
could actuallyrent faktisk costkoste the worldverden
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kunne et stort sygdomsudbrud
koste kloden
05:31
in excessoverskydende of threetre trillionbillioner dollarsdollars.
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mere end 3 billioner dollars.
05:33
So before, it used to be that you had
to take an airplanefly out of serviceservice
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Tidligere måtte man tage
et fly ud af drift
05:37
for one to two monthsmåneder,
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i en til to måneder
05:39
spendbruge tenstiere of thousandstusinder of man hourstimer
and severalflere millionmillion dollarsdollars
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bruge flere tusinde mandetimer
og flere millioner dollars
05:42
to try to changelave om something.
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for at ændre noget.
05:44
But now, we're ablei stand to installinstallere
something essentiallyvæsentlige overnightnatten over
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Men nu kan vi installere
fra dag til dag
05:47
and see resultsresultater right away.
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og se resultater med det samme.
05:49
So it's really now a matterstof of takingtager
this throughigennem to certificationcertificering,
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Så nu er det bare et spørgsmål om
at få dette certificeret,
05:52
flightflyvningen testingtest,
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testfløjet,
05:54
and going throughigennem all of these
regulatorylovgivningsmæssige approvalsgodkendelser processesprocesser.
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og igennem alle de lovgivningsmæssige
godkendelser.
05:57
But it just really goesgår to showat vise
that sometimesSommetider the bestbedst solutionsløsninger
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Men det viser bare at
nogle af de bedste løsninger
06:00
are the simplestenkleste solutionsløsninger.
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er de mest simple.
06:01
And two yearsflere år agosiden, even,
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For bare to år siden,
06:05
this projectprojekt would not have happenedskete,
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ville dette projekt ikke være sket,
06:06
just because the technologyteknologi then
wouldn'tville ikke have supportedunderstøttet it.
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fordi vi ikke havde den
nødvendige teknologi.
06:09
But now with advancedfremskreden computingcomputing
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Men med avancerede computere
06:12
and how developedudviklede sig our InternetInternet is,
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og et Internet i udvikling,
06:14
it's really the goldengylden eraæra for innovationinnovation.
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har vi nu en gylden æra for innovation.
06:17
And so the questionspørgsmål I askSpørg all
of you todayi dag is: why wait?
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Og spørgsmålet jeg stiller Jer alle
i dag er: "Hvorfor vente?"
06:20
TogetherSammen, we can buildbygge the futurefremtid todayi dag.
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Sammen kan vi bygge fremtiden idag.
06:23
ThanksTak.
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Tak.
06:24
(ApplauseBifald)
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(Bifald)
Translated by Simon Djernæs
Reviewed by Jette Derriche

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ABOUT THE SPEAKER
Raymond Wang - Inventor
Raymond Wang won the top prize in the 2015 Intel Science and Engineering Fair for his invention that circulates fresh air on planes and reduces transmission of germs between passengers.

Why you should listen

Raymond Wang is a Canadian youth innovator who is passionate about science, technology, engineering and entrepreneurship. He is one of Canada's Top 20 Under 20, and most recently, the recipient of the Gordon E. Moore award for the Top Project at the 2015 Intel International Science and Engineering Fair (ISEF).

Raymond enjoys exploring STEM and promoting global sustainability. His latest engineering innovations, including his work with aircraft cabin airflow and his inventions of the “Weather Harvester,” “Smart Knee Assistant” and "Smart Bin,” have achieved international recognition.

Raymond is enthusiastic about inspiring others to pursue STEM opportunities. He actively reaches out to the local community through camps & associations, in addition to communities around the world through YouTube & Modern Media.

Having a strong passion for sustainability, Raymond has founded Sustainable Youth Canada, a youth-led non-profit organization dedicated to empowering young people in Affiliated Regions established from coast to coast to be leaders in tackling issues with environmental and energy sustainability.

In his spare time, Raymond enjoys exploring music as both a National Youth Band clarinetist and an avid pianist. He is also a keen director of films and videos; many of his productions have been recognized at local film festivals. 

Raymond envisions himself pursuing a career in science, applying research and innovation with a business approach to do his part in bettering the world.

More profile about the speaker
Raymond Wang | Speaker | TED.com