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24 Hour charity fund-raiser
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Just thought that nerdfighteria would be interested in knowing about youtube user Lacigreen's 24 blogtv fund-raising event for the charity CFHI (Child Family Health International).It is 12pm pacific…Continue

Tags: health, international, family, child, CFHI

Started this discussion. Last reply by Zirror Jul 23, 2010.

Climate change
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You can help get funding for a youtuber climate change activist.Just watch his video for instructions.…Continue

Started this discussion. Last reply by leo May 15, 2010.

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Latest Activity

leo replied to Sam Degheldere's discussion Special relativity in a circular motion
"Unfortunately, in circular motion, the object is constantly accelerating (towards the centre), and special relativity only deals with intertial reference frames. You will need to look into general relativity for that."
Sep 4, 2013
leo replied to Josh Glunt's discussion What would happen?
"in short, as you go below the earths surface, the effects of gravity drop off. The force that is exerted on you is the same as if you were on a planet with the radius equal to your distance to the center (assuming the planets average density is the…"
Apr 5, 2012
leo replied to Kiranja's discussion Blog colab?
"I'd be interested in doing this. Im a 19 (almost 20) year old physics student in england."
Dec 8, 2011
leo replied to Vertigo_One [Ops Mod]'s discussion Why science cannot equal athiesm
"can you show me how numbers were discovered? where do i look to find them?"
Dec 8, 2011
leo replied to Cal Reed's discussion Why is there so much homoppphobia?
"why?"
Oct 6, 2011
leo replied to Scott Stevens's discussion Communism/Socialism vs. Republic/Capitalism
"I've not read all the comments, but just incase it hasn't been said, Republicanism as a political ideology is the belief that there should be no monarchy, or other hereditary heads of state. This is not opposed to communism or socialism.…"
Aug 29, 2011
leo replied to Vertigo_One [Ops Mod]'s discussion Biblical contradictions 2
"<iframe width="560" height="349" src="http://www.youtube.com/embed/RB3g6mXLEKk"; frameborder="0" allowfullscreen></iframe>"
Jul 6, 2011
leo replied to Sydney's discussion The devil
"maaaaaybe, just maybe, the devil doesnt exist?"
Jun 29, 2011
James "Turnerj" Turner replied to leo's discussion Portal physics questions in the group Portal Nerdfighters
"Best guess, it is impossible. Due to the falling speed (which I will call Z speed) changing into distance speed (which I will call X speed), I believe you will get to a point (probably after about 3 portal "flings") where the Z speed will…"
Jun 8, 2011
William Newcome replied to leo's discussion Portal physics questions in the group Portal Nerdfighters
"you will forever be stuck in an infinite tunnel of portals until the walls separate."
Jun 6, 2011
leo replied to E_Lewis's discussion Is Being Gay a Choice?
"If you are straight and are claiming that being gay is a choice, then tell me, did you choose to be straight? If not, then what makes you think gay people chose to be gay?"
May 31, 2011
Stephani Dudrak replied to leo's discussion Portal physics questions in the group Portal Nerdfighters
"Another question: Two walls are getting closer together. You are in between them. You shoot one portal to either side of you. What happens to you when the walls meet?"
May 26, 2011
Stephani Dudrak replied to leo's discussion Portal physics questions in the group Portal Nerdfighters
"as I'm imagining this scenario, you would fly out of the portal 90 degrees to the ground (on a wall), landing in the sea, 30km below."
May 26, 2011
Christina Jansen replied to leo's discussion Portal physics questions in the group Portal Nerdfighters
"Lol I hope someone figures this out! I would put more effort into this but, for the moment I have absolutely no time! I love portal!"
May 9, 2011
leo replied to leo's discussion Portal physics questions in the group Portal Nerdfighters
"Oh, and you may want to ignore air resistance for this."
May 7, 2011
leo added a discussion to the group Portal Nerdfighters
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Portal physics questions

So lets say you and your portal gun together weigh 100kg. you are on a ledge 30km above sea level, and behind you is a wall, on which there is a portal, which is at 90 degrees to the ground. You fall to the earth but make another portal before you hit the ground through which you fall, thus flinging you out of the first portal.My question is, how many more portals will you have to make to enter orbit?How long from the second you jump of the ledge will it take before you have entered orbit and…See More
May 7, 2011

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