This thread is about TED. smart people

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Discussion Overview

This thread discusses various TED Talks, highlighting specific videos and their content, as well as participants' reactions and thoughts on the presentations. The scope includes personal reflections on the talks, questions about specific content, and sharing of additional TED resources.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Debate/contested
  • Homework-related

Main Points Raised

  • Some participants express enthusiasm for TED videos, noting their inspirational nature and the quality of content.
  • Several participants share specific TED Talks they found impactful, including those by Mae Jemison and Hans Rosling.
  • One participant mentions struggling with comprehension of specific questions related to a TED Talk, seeking clarification on the reasoning behind answers.
  • There is a discussion about the reasons for seasonal temperature differences, with various hypotheses presented regarding sunlight angles and geographic location.
  • Some participants share links to additional TED Talks and resources, indicating a collaborative effort to explore more content.

Areas of Agreement / Disagreement

Participants generally agree on the value of TED Talks and share personal favorites, but there is no consensus on the explanations for specific questions related to the content discussed, particularly regarding seasonal temperature variations.

Contextual Notes

Some participants express uncertainty about specific explanations and concepts, indicating that further clarification is needed on certain points, particularly regarding the angle of sunlight and its effects on temperature.

Cyrus
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This thread is about TED.

Clip 1: smart people art.

7zT7iKmfrCU[/youtube]
 
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TED has a bunch of AWESOME, AWSOME VIDEOS. I have the facebook ap and it sends me new videos.
 


Astronaut, Mae Jemison on art and science:

6Vy0ncmUvUw&feature=channel_page[/youtube] I thought this one was good.
 


TED is really an amazing source of inspiration.
 
Great stuff, Cyrus. I only intended to quickly scan the videos but ended up watching them all to completion.

Cyrus said:
Astronaut, Mae Jemison on art and science:

6Vy0ncmUvUw&feature=channel_page[/y...//www.physicsforums.com/showthread.php?t=5929
 


After the link to TED was posted a few threads below, I began to browse through the videos and I found this one which I liked a lot.

http://www.youtube.com/watch?v=5hJCx...e=channel_page

I got questions 1 and 2 right. But the 3rd and 4th questions wrong and along the lines of the misconceptions he was referring to. I understood 4 myself but his explanation for 3 was a bit brief and I'm not sure I got it. Could someone explain the answer to Q3?
 
  • #10


anirudh215 said:
After the link to TED was posted a few threads below, I began to browse through the videos and I found this one which I liked a lot.

http://www.youtube.com/watch?v=5hJCx...e=channel_page

I got questions 1 and 2 right. But the 3rd and 4th questions wrong and along the lines of the misconceptions he was referring to. I understood 4 myself but his explanation for 3 was a bit brief and I'm not sure I got it. Could someone explain the answer to Q3?

youtube said:
The URL contained a malformed video ID.

Therefore, we do not know what you are talking about.
 
  • #11


My friend told me to watch the following: http://www.ted.com/index.php/talks/majora_carter_s_tale_of_urban_renewal.html"

My sister is always sending me good ones: http://www.ted.com/index.php/talks/jill_bolte_taylor_s_powerful_stroke_of_insight.html"

Here are a couple I ran across myself: http://www.ted.com/talks/elizabeth_gilbert_on_genius.html"
 
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  • #14


anirudh215 said:

That's better. Question 3 was: Why is it hotter in the summer than the winter?

I would say the answer gets easier the further from the equator you grew up. Imagine living on the north pole. 24 hours of sun in the summer and zero hours of sun in the winter.

Hmmm... So why doesn't the north pole melt in the summer if it's sunny 24 hours a day?
 
  • #15


OmCheeto said:
That's better. Question 3 was: Why is it hotter in the summer than the winter?

I would say the answer gets easier the further from the equator you grew up. Imagine living on the north pole. 24 hours of sun in the summer and zero hours of sun in the winter.

Hmmm... So why doesn't the north pole melt in the summer if it's sunny 24 hours a day?

I would assume it's because the quality of the sunlight is not the same. The sunlight hitting the equator is straight on, whereas more light is reflected back into space near the poles.
 
  • #16


Regarding Q3, it is the angle of incidence, which I already explained in the original thread.

It is the same reason that it cools down in the evening when the sun is low in the sky.
 
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  • #18


Watch how Johnny Chung Lee uses a Wii Controller for a head tracking device and an electronic whiteboard.

https://www.youtube.com/watch?v=<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/QgKCrGvShZs&hl=de&fs=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/QgKCrGvShZs&hl=de&fs=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>
 
Last edited by a moderator:
  • #19


https://www.youtube.com/watch?v=2U-tOghblfE
 

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