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station this is houston are you ready

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eastern station almost ready for the

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and i'm ready for the event

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pg-1 this is mission control houston

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[Music]

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hello i i read you loud and clear how

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is

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[Music]

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the first on july 9th went really well

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so we completed all our activities and

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we even went beyond with some activities

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to start the second one right however

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the second one didn't go very well

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i brought the helmet here with me to

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this is the helmet i was wearing during

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air to be able to circulate must be

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forced

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so it must be ventilated constantly

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from this hole here that you see

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underneath

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the diffuser is this white part that you

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see inside the helmet so air comes into

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water doesn't flow so it's simply

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accumulated in a huge

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bubble

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that after a while i felt also because

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its temperature was very low

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as you can see the volume inside the

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helmet is not a lot so

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when the volume

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increased so that it would cover my eyes

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nose and ears

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that was the worst moment of the whole

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your colleague chris cassidy

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said that the incident could have had

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some dire consequences

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were you afraid and will you be going

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well those are two different questions

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let me answer

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the second one right away

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definitely i hope to be able to have

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other

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obviously this is my dream and the term

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of many astronauts but at this time

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we are busy with

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troubleshooting the spacesuit

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and the ones on the ground as well to

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see if it's a common problem once we

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have resolved this problem then we will

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that's something that we can do during

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this increment or whether we need to

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wait till next time

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as far as the emotions that i felt

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during the uh

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those intense phases it's very hard to

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describe

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because it's a lot of emotions all at

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once

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definitely

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at a very basic level there is fear

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because i always say that fear is an

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instrument

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or negative

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a scalpel in a surgeon's hand

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can be an instrument of life but it can

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also be used for

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to hurt people

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so fear has the same value

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to heighten your senses

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to be able to think on your feet and

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react more quickly if if it's used

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properly and if we're trained to do so

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fortunately my training

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that i received on the ground and in

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many years in the uh

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italian air force as a pilot and then a

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test pilot that training was very useful

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to me

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because when i reacted to the emergency

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i try to keep calm

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and to focus on what the

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possible resolutions were

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and how to be able to go back even

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without a lot of visibility

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and i also tried to think as fast as i

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could

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if water had reached my mouth

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how could i have eliminated it so that i

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didn't drown in the helmet

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so talking about what happens on the

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international space station

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do you have an idea from there of what's

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what questions do you have for the

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i'm always in contact with the earth

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fortunately technology

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helps us on board of station

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and we have internet onboard the station

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and also due to the fact that we're

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working for the majority of our day but

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fortunately we have the ability to

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connect

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and to be able to follow what's

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happening in italy and in the world of

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course i'm very interested in what's

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a message for the italians

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i would like to say this to the italians

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to continue to believe

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in our nation

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to continue to believe in our country

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it's a little

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country but it's a great nation

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there's a lot that we can still do and

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demonstrate to the world that we still

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have capabilities and then we still have

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the will to work

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and to

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come back

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and this is the time to

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look to the future and research and

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invest into the future and our youth so

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and faith

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so that with optimism we can come out of

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a moment of crisis that is not just

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italian but it's it's a worldwide crisis

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so my message is just this to be to have

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have you received something from italy

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with the latest spacecraft that came up

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something that you had asked for

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or did you realize that there's

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something else that you wanted up there

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spacecraft

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materials for the station

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not a lot of items for us astronauts

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what we received was a surprise i don't

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know if it came from italy i don't

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believe so but we did receive some

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fresh fruit and vegetable that here on

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station it's an incredible luxury

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it's it's an explosion of colors and and

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scents that we didn't expect but

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honestly

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aside from my family and my daughters i

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don't really i'm not really miss

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and what did your mom tell you after

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once again thanks to technology i have

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the opportunity to utilize an internet

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phone to be able to communicate with my

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family

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[Music]

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that everything went fine that i was

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fine

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which was true

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without trying to minimize any of the

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events

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but also without exaggerating them

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because

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it never makes any sense to exaggerate

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so simply telling them that there was a

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malfunction that i was back and i was

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fine

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and both my mom and my

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my wife are very used to this kind of

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thank you

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and in the second portion of the event

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luca i would like to speak to you about

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so i understand your pleasure let me put

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i'm ready ready for the question

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okay lucas so i understand you'll be

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taking part in a really cool experiment

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that's called energy with mike hopkins

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in september can you tell me a bit more

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yeah absolutely the energy experiment

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that will start in september

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both with me and mike hopkins subject

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is um

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is assessing the energy requirement for

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astronauts um especially with the view

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of a long duration mission what we're

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trying to discover here is or to assess

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is how much energy exactly does an

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astronaut need to um to go

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uh on a long direction mission for

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example to the moon or to mars

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and the idea is that if we can determine

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the exact quantity

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then we can we can pack

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the exact amount of food required and

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that would be an incredible advantage

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both in terms of storage and in

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economical terms of how much money we we

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would spend in order to to send it and

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that also equates to how big the

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eating and drinking special things

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during this experiment can you tell a

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that is correct i will be

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i will be eating a very a very specific

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diet that is

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so this is a food that is that it's been

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packed already on the ground it's very

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the scientists know exactly uh the

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energy content of each specific

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container

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so by uh when i eat this food the the

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scientists will know exactly how much

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energy my intake is and then uh i'm

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going to be drinking a specific amount

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of water that that uh we let the

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the scientists know um

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they will let the scientists calculate

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how much of the energy i am i'm

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expanding and so they can they can

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create an equation where they have an

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intake and an outtake of energy and thus

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come up with a very precise idea of what

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i understand also you'll be um you have

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been busy sharing your sleep pattern for

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an experiment called circadian rhythm

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yes circadian rhythm is a is a very

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interesting experiment um the idea is

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that because on the space station we

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we do not have a regular

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uh

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um

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the the alternates of night and day is

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no it's not regular it's not like on

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earth where we have uh

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basically 12 hours of daylight and 12

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hours a night uh here in the station we

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we have uh 16 cycles a day

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of night and day so obviously our sleep

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pattern is cannot be affected by those

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by those patterns and and we we go into

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a an artificial sleep pattern so

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this study

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has a sensor uh

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permanently connected to me for 36 hours

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that measures my temperature and

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the temperature is related to the

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activity of the body so

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technically when we're working we have a

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higher temperature when we sleep we have

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a lower temperature and by

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collecting this data they are able to

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determine how my sleep patterns have

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been affected

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by living in an environment that is

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completely alien to what the normal

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human

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is supposed to uh

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and what can we learn from this

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experiment why how can we use it

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well i can think of several uh several

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studies

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where the results will be will be

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applicable

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for example there are different there

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are several different kinds of areas of

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jobs that uh that have that have a very

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strong impact on how a person is

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sleep deprived or stressed

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uh for example medical doctors uh

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or people that work in the police or

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pilots that have to uh deal with jet

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lags and long long stretches where they

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cannot sleep well this study will allow

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uh the creation of procedures

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and

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that protect these people from over

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fatigue and from

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from situation where a mistake can be

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made that could have fatal consequences

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so uh as you can see um the impact of

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this study uh even though it's a it's a

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very it's a it could be it could feel

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like it's a very small study but the

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my last question luca is we're seeing

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all the time kind of a ping pong ball uh

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bouncing on a screen behind you in the

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middle of the columbus laboratory can

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you tell us a bit more about what that

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okay you're gonna have to ask the

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questions again the question again

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because i i

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we're seeing some

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kind of a ping pong ball bouncing on the

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screen behind you in columbus laboratory

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just behind you can you tell us a bit

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oh of course uh you mean this screen in

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the background

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so

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that machine is a is a

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is a sound machine is a um

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ultrasound machine a very small

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ultrasound machine uh as big as a laptop

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we use it for several experiments right

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now today we set it up for

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um for an experiment called ocular

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health where we do ultrasound of the

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ocular bulb to see how the lack of

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weight

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affects the shape of the eye and our

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vision

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but we also use it for another

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experiment called spinal ultrasound

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where we analyze the changes that the

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weightlessness causes on the on the

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spine now this specific experiment is is

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is very important ramification on the

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ground where

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until now in order to to have a to

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diagnose a problem on the spine we need

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very expensive machines like mris or uh

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or or or body scans

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well thanks to the procedure that we are

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developing today on the space station on

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the ground through remote controlling in

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the future we will be able to diagnose

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um actually more very very in the very

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near future we will be able to diagnose

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uh problems on the spine using just a

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very simple and portable ultrasound

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machine just like the one you see behind

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me and that is is going to be very

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important for remote areas and places

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where those machines are just not

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thank you very much luca that concludes

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the second portion of the event keep up

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thank you jules it was a pleasure

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talking to you as always and i'll talk

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to you next time

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station this is houston acr that

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station thank you very much for the

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support

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thank you tg1 and isa station we're now