Space Physics: The Science of YoYo's in Zero Gravity | NASA ISS Space Station Microgravity Video

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1. people who loves the smell of their farts would love to be on the iss. The fart would float up to your nose immediately!!
2. eye think its still alive moving microscopicley slow
3. how many water bears mutations have been created this year? you know those microscopic water pigs things because i havve one the size of my fist
4. why it cold in there and how to get heat? from power or anything?..
5. lol this guy is prob bored as fuck form being alone
6. is he gay ? no offend
7. YYF DNA?
8. Could you create a feeling of gravity on the space station if it had a magnetic floor base, and some kind of magnetic clothes? Maybe it could help the mussles and bones from weakening.. It could simulate some of the earth`s effects;-)
9. Any mass would work, the less mass the less you would accelerate with the same amount of force, so the shirt would accelerate more than You would, but you'd still accelerate in the opposite direction.
10. He's in freefall and his glasses are under the same condition, they freefall together. Just like when you jump off a cliff, your glasses don't fly off; friction keeps them on from the slight movements of your head, but ultimately they're going in the same direction as the rest of the body, so why Would they 'fly off'.
11. How does his glasses dont fly ?
12. Is it just me or this guy is just funny and kinda clumsy? 
13. I understand. Thanks!
14. simply , try to make a huge, colossal space fart !
15. I feel safe knowing there are silly people in space watching us. I would be a lot more disappointed if they were all boring scientists working 24/7 and thinking they're above everyone (figuratively!), compared to the fact that I know they're just passionate and fun, like this guy and Chris Hadfield.
16. it must be amazing to be in the ISS
17. Space nerds... still cooler than all of us
18. A shirt doesn't have enough mass, you would need to throw something heavier, or have someone come get you.
19. I wanna see a bird in space.
20. Would you start doing backflips though?