Interesting+Physics+On-line+Links

You can use this page to list interesting links to physics that we are doing in class or just something that you might want to share with the rest of the class. When you post a link make sure to put your name beside it and to write one or two sentences describing what it is about.

[|Seven Equations that Rule Your World] (posted by Maria) This video and article talks about one person's idea of the seven most important equations which have been used as tools and lead to some of the greatest inventions in human history.

What happens if your drill a hole through the centre of the Earth and drop a ball into it? [|Travelling through the centre of the Earth]

[|Answer:] The ball will start accelerating at the rate of 9.8m/s2 and will continue to do so untill it reaches the centre of the earth. At the centre, the velocity of the ball will be infinitely large. Since the velocity is infinitely large at the centre, it will keep on moving towards the other side. Therefore as the ball will progress towards the other side of the hole and away from the core, its velocity will start to decrease and there will be negative acceleration at the rate of 9.8m/s2. The reason being it will be travelling in the opposite direction of the gravity. The velocity will be decreasing and will be 0m/s at the tip of the other side. If no one catches it, the ball will go back again towards the other side and the cycle will continue. It will keep on going back and forth inside the hole.

[|Surely You're Joking Mr. Feynman] This is a great book and a good read for everyone. If you love physics you will be inspired by this book.

[|Richard Feynman - Fun to Imagine] Facts about Special Relativity and all that fun stuff. []

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[|Relativity Explained]

Another cool physics TED talk about how to easily solve really hard problems...check it out :) []

Also, check out some (cool, kinda funny) real life applications of physics: []

**Neutrino Joke:**
[|Brian Cox on Neutrino faster than light]

[|Brian Cox Explains Quantum Physics] (including the double slit experiment)
 * QUANTUM PHYSICS**

[|Brian Greene on String Theory]

"We don’t serve faster-than-light neutrinos here," said the bartender. A neutrino walks into a bar. [|What's a Higgs Boson?]

COOL IDEAS IN PHYSICS
[|Water bottle lights]

[|Building a windmill]

[|Invisibility Cloak?]

[|Slinky Physics]

[|Slinky Physics II]

[|Building robots website]

TED TALKS
[|sTEPHEN HAWKING ANSWERS BIG QUESTIONS]

[|Brian Greene and Multiple Universes]

The following is a link to video in youtube about the collapse of Tacoma Narrow's bridge. I found it interesting, amazing as well as a little disappointing. (posted by Sharara) []


 * FUN/INSPIRATIONAL**

[|Tagging Bears] [|The Intellegence of Crows] [|The Real Apollo 13] [|Why You Will Never Have a Great Job]