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[NBCnews] Teenager invents flashlight powered by the warmth of your hand. - Page 9

post #81 of 89
Quote:
Originally Posted by serp777 View Post

Yea we're all jealous of designing a mediocre flashlight for a science fair. It's really nothing that impressive when you consider all of the other science projects, done by other kids, which are vastly superior.
For example, valerie Ding's "Integrating Quantum Mechanical Modeling and Novel Solar Absorption Algorithm"

So what you're saying is that inventions are only worthy if they involve physics? And by the way - quantum mechanics is still a theory and very well may be disproven in the very near future. Wrap your head around that. Yup, you're 100% jealous.
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post #82 of 89
Quote:
Originally Posted by Cavi Mike View Post

So what you're saying is that inventions are only worthy if they involve physics? And by the way - quantum mechanics is still a theory and very well may be disproven in the very near future. Wrap your head around that. Yup, you're 100% jealous.

Wrap your head around the big strawman argument you just used. The point was that other contestants have significantly more complicated/advanced science projects which aren't receiving nearly as much attention; i didn't suggest at all that a science project needed to be related to physics to be worthy.

Also, this is an algorithm to model quantum phenomena in terms of electron transfer in quantum dots, so it involves computer science, chemistry, and quantum physics. Right off the bat you can see that it is exponentially more complicated than a flash light powered by a simple peltier element, connected via some basic electrical engineering 101 knowledge. It would be far different if she designed a more efficient peltier element, and then demonstrated it's better efficiency using a flashlight.

Finally, gravity and relativity are just theories and very well may be disproven in the future. It's almost 100% true, but it's possible for it to be wrong, just like quantum mechanics. All you've done is prove that QM is a theory, which everyone already agrees with. thumb.gif
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post #83 of 89
Quote:
Originally Posted by Mike395 View Post

You know, for someone so quick to toss insults my way you could at the very least try to follow the conversation before you reply in this manner. My argument was that the reason she is being reported on is because she is doing quite well in a global science fair competition. This was in response to someone who implied that the media had picked her to report on when others deserve it more. Her being a finalist in the competition was likely the reason why she was being reported on by the media in the first place.

Your original reply to me does not address this at all. You respond by claiming an air cannon that contains "more science" than the girl's flashlight, to which I have nothing to say except maybe "congrats." Where this story is not about you, and your air cannon has nothing to do with my post about why exactly the media is reporting this girl right now, I have nothing more to add to that.
I was just saying that nearly everybody with Beta education havo+ can do such a thing while we're at it:
Use the seebeck effect to generate electricity that goes in an upscale converter that goes into a fan. (look I'm a genius oh wait not)
post #84 of 89
Quote:
Originally Posted by un-midas touch View Post

http://www.businessinsider.com/2013-google-science-fair-finalists-2013-6?op=1

Some of the projects are (now don't go and start taking this as a personal attack on her again) (edit is underscore) arguably somewhat better than hers. Some are not so. So I can't really gauge the quality of the competition. But look who's picture is at the top of the page. My problem is still with exposing an otherwise innocent young person, and her personal investment in her project, to the realities of national media attention, for the obvious purpose of gaining viewer ratings.

Would we be talking about her specifically if she hadn't been on NBC? What would she think if she came here and read this thread? Who knows. I just think it might be bad practice to set up young, scholarly inclined people, maybe herself, maybe others, to believe that being cute and charismatic is some kind of prerequisite to gaining recognition for one's ideas.

That's understandable. I mean, sure it's possible that the story was run on her specifically because she seems charismatic, but they only had so many finalists to choose from as it were, and not all of them are even from North American countries making them even less likely to be reported on by one of our news sources. A valid point, but I'm not sure I see the harm. I guess we can agree to disagree here.
Quote:
Originally Posted by maarten12100 View Post

I was just saying that nearly everybody with Beta education havo+ can do such a thing while we're at it:
Use the seebeck effect to generate electricity that goes in an upscale converter that goes into a fan. (look I'm a genius oh wait not)

I get what you're saying. It sounds like you know your stuff, and if the girl's flashlight is not so impressive to you, then so be it. But genius or not, she has a project that many people may find interesting (that being, a simple device that literally everyone uses, a flashlight, that doesn't require batteries as they typically do).. She's not a world renowned physicist with a PhD, and she's not saying she's better than you or anyone else. She's just a high school student who's done well for herself so far in a competition for 15 year old kids, and in that context (which is the only context it can really be taken in), to many of us it makes for a nice story.
post #85 of 89
Quote:
Originally Posted by serp777 View Post

Finally, gravity and relativity are just theories and very well may be disproven in the future. It's almost 100% true, but it's possible for it to be wrong, just like quantum mechanics. All you've done is prove that QM is a theory, which everyone already agrees with. thumb.gif
Gravity is not a theory. Gravity exists and we only have theories as to what causes it. QM is a theory because it is simply what some believe is happening on a subatomic level.

*edit* And by the way, I believe they're both directly related and once we understand gravity, we will realize how stupid we were to think that the answer to quantum mechanics was "there is no answer"
Edited by Cavi Mike - 7/6/13 at 1:18am
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post #86 of 89
Quote:
Originally Posted by Mike395 View Post

That's understandable. I mean, sure it's possible that the story was run on her specifically because she seems charismatic, but they only had so many finalists to choose from as it were, and not all of them are even from North American countries making them even less likely to be reported on by one of our news sources. A valid point, but I'm not sure I see the harm. I guess we can agree to disagree here.
I get what you're saying. It sounds like you know your stuff, and if the girl's flashlight is not so impressive to you, then so be it. But genius or not, she has a project that many people may find interesting (that being, a simple device that literally everyone uses, a flashlight, that doesn't require batteries as they typically do).. She's not a world renowned physicist with a PhD, and she's not saying she's better than you or anyone else. She's just a high school student who's done well for herself so far in a competition for 15 year old kids, and in that context (which is the only context it can really be taken in), to many of us it makes for a nice story.
Quite true, it might inspire young People and that's a good thing.
post #87 of 89
Quote:
Originally Posted by OwnedINC View Post

Yea... no.

Teenagers in years past are no different than teenagers today, they spent all their time at the watering hole smoking & drinking instead of cruising the mall. *OH SO HUGE A DIFFERENCE!*
Most were not hard workers, most thought anything to do with science and technology was nerdy and didn't want to be involved.
Remove your silly rose glasses please.

Some of us worked and played with cars, sports and other things but there will be the set that hangs out where the people are.

Quote:
Originally Posted by Mike395 View Post

15 year old girl creates a cool science project.

Time to show some encouragement downplay her science project and announce my superiority to said 15 year old girl!

+1
 
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post #88 of 89
Quote:
Originally Posted by Cavi Mike View Post

Gravity is not a theory. Gravity exists and we only have theories as to what causes it. QM is a theory because it is simply what some believe is happening on a subatomic level.

*edit* And by the way, I believe they're both directly related and once we understand gravity, we will realize how stupid we were to think that the answer to quantum mechanics was "there is no answer"

Gravity is a theory. We're only almost 100% certain gravity exists. There's an infinitesimally small chance that God is just making an illusion in our minds, and it's not the force of massive bodies attracting each other. Thus, it's a theory just like everything else. QM is the best theory for nano scale physics by far because it doesn't have one single piece of experimental evidence against it in 80 years of research. Even things like entanglement and quantum tunneling are proven experimentally. And what are you talking about "there is no answer." Answer to what? that's just pseudo scientific babble.
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post #89 of 89
Peltier cooling requires a temperature differential.

That flashlight will stop working once the difference temperature between the hand and the flashlight go below 5C.

Your hand will heat that flashlight very very quickly.


To keep the flashlight going, you would need an active heat pump to remove heat from the flashlight to keep it going. That would take more electricity.


What would be amazing, is if she developed a compact steam generator using a fluid that turns into steam and generates electricity @ ~30C
Edited by jetsam - 7/9/13 at 12:49pm
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