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Post by auntym on Mar 7, 2015 15:49:27 GMT -6
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Post by Deleted on Mar 8, 2015 23:43:34 GMT -6
Laughing hysterically.
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Post by swamprat on Mar 9, 2015 20:05:56 GMT -6
Which way is up? Old baby?
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Post by swamprat on Mar 12, 2015 12:08:57 GMT -6
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Post by auntym on Mar 12, 2015 13:43:02 GMT -6
LOL... very cute...  |
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Post by swamprat on Mar 31, 2015 9:58:37 GMT -6
Now THIS is worthy of much research and lengthy discussion!  Yawn.....  How Long Would It Take to Fall Through the Earth?
by Charles Q. Choi, Live Science Contributor
March 31, 2015
How long would it take to fall down a hole in the Earth and reach the other side of the planet? Even less time than previously thought, a scientist reveals.
A scenario often presented to introductory physics classes is that of a "gravity tunnel" — a tube drilled from one side of the Earth to the other through the planet's center. The answer taught for nearly a half-century for how long a fall through such a hole would take was about 42 minutes and 12 seconds.
The solution to this problem depends on the strength of Earth's gravitational pull, which in turn is based on its mass. As one falls through the planet, there is less mass beneath whoever is making the descent over time, so the force of the gravity experienced would lessen as one approached Earth's center.
Still, assuming no air resistance, the momentum from the fall could sling one all the way to the surface on the other side. Anyone making the fall would have to make sure to get away from the exit hole as soon as they flew out of it, or else they could drop in again, hurtling back and forth inside the gravity tunnel, like a weight swinging at the end of a pendulum.
"I guess you can imagine it like a waterslide that takes about 40 minutes to fall through that takes you to speeds over 8 kilometers per second (17,895 mph)," said physicist Alexander Klotz at McGill University in Montreal. "Halfway through the ride, gravity would switch directions and you'd go from right-side up to upside down. You'd have to grab onto the other end or else you'd fall back down the way you came. If the waterslide was made of glass, it would be like zooming through a sea of lava."
Still, at least one major unrealistic assumption dogged this calculation ever since it was first made in 1966. Ignoring for a moment how drilling a hole about 7,918 miles (12,742 kilometers) long through the Earth is virtually impossible, the problem with the 42-minute solution was that it assumed the planet was uniform in density throughout like a marble.
Now, using a more realistic model of the Earth, Klotz finds the fall would take only about 38 minutes and 11 seconds, about 4 minutes faster than thought.
Klotz based his calculations on the internal structure of the planet as determined from seismic data. While the Earth's crust has a density less than about 187 lbs. per cubic foot (3 grams per cubic centimeter), Earth's center has a density of about 811 lbs. per cubic foot (13 grams per cubic centimeter). The density of the planet does not rise in a straightforward manner the farther down one goes — there is a sharp 50 percent increase in density at the boundary of the planet's mantle and its outer core about 1,800 miles (2,900 km) below Earth's surface.
The physicist assumed there was no air resistance in the gravity tunnel. "In my opinion, if you have the technology to dig such a tunnel, you have the technology to suck the air out," Klotz said.
Surprisingly, Klotz found that he calculated almost the identical answer if he assumed the strength of Earth's gravitational pull was uniform throughout the planet and equal to its value on the surface. This assumption works because Earth's gravity "only changes by, like, 10 percent as you go deeper — first stronger, then weaker — for like the first 3,000 kilometers (1,865 miles)," Klotz said. "So if you start falling and picking up speed, by the time you reach a region in which gravity is significantly different from its surface value, you are going so fast that you spend very little time in this region."
Don't expect anyone to test these calculations with a real tunnel through Earth anytime soon.
"The Soviets tried digging as deep a hole as they could from 1970 to 1989 and only got 12 kilometers (7.5 miles) deep, about 0.1 percent of the way through the Earth," Klotz said.
Klotz detailed his findings in the March issue of the American Journal of Physics.
www.livescience.com/50312-how-long-to-fall-through-earth.html
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Post by swamprat on Apr 4, 2015 11:14:27 GMT -6
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Post by swamprat on Apr 23, 2015 18:38:24 GMT -6
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Post by auntym on May 13, 2015 13:32:46 GMT -6
www.stumbleupon.com/su/1uULaz/dGVL_cW4:KDl.B3DA/allswagga.com/blog/2010/07/04/20-awesome-quotes-on-character/
20 Awesome Quotes On Character by allswagga July 4, 2010 1. Watch your thoughts; they become words. Watch your words; they become actions. Watch your actions; they become habits. Watch your habits; they become character. Watch your character; it becomes your destiny. – Unknown 2. People do not seem to realize that their opinion of the world is also a confession of character. – Ralph Waldo Emerson 3. The measure of a man’s real character is what he would do if he knew he would never be found out. – Thomas B Macaulay 4. You can easily judge the character of a man by how he treats those who can do nothing for him. – James D. Miles 5. Everyone tries to define this thing called Character. It’s not hard. Character is doing what’s right when nobody’s looking. – Unknown 6. Most people say that it’s the intellect which makes a great scientist. They are wrong: it is character. – Albert Einstein. 7. Character is the result of two things: Mental attitude and the way we spend our time. – Elbert Hubbard 8. Weakness of attitude becomes weakness of character – Albert Einstein 9. Character is what you know you are, not what others think you have – Unknown 10. Nearly all men can stand adversity, but if you want to test a man’s character, give him power – Abraham Lincoln 11. The function of education is to teach one to think intensively and to think critically. Intelligence plus character – that is the goal of true education. - Martin Luther King, Jr. 12. Our character is basically a composite of our habits. Because they are consistent, often unconscious patterns, they constantly, daily, express our character. – Stephen Covey 13. Character isn’t something you were born with and can’t change, like your fingerprints. It’s something you weren’t born with and must take responsibility for forming. – Jim Rohn 14. I care not what others think of what I do, but I care very much about what I think of what I do! That is character! – Theodore Roosevelt 15. Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are. – John Wooden 16. How true Daddy’s words were when he said: all children must look after their own upbringing. Parents can only give good advice or put them on the right paths, but the final forming of a person’s character lies in their own hands. – Anne Frank 17. Knowledge will give you power, but character respect. – Bruce Lee 18. Men show their character in nothing more clearly than what they think laughable. – Johann Wolfgang von Goethe 19. Another flaw in the human character is that everybody wants to build and nobody wants to do maintenance. – Kurt Vonnegut Jr 20. The man who cannot believe in himself cannot believe in anything else. The basis of all integrity and character is whatever faith we have in our own integrity. – Roy L Smith www.stumbleupon.com/su/1uULaz/dGVL_cW4:KDl.B3DA/allswagga.com/blog/2010/07/04/20-awesome-quotes-on-character/
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Post by swamprat on May 14, 2015 10:15:28 GMT -6
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Post by swamprat on May 19, 2015 17:37:04 GMT -6
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Post by swamprat on Jun 22, 2015 14:39:25 GMT -6
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Post by Deleted on Jun 22, 2015 14:58:58 GMT -6
Laughs.  Been there before ay ? I wonder if they'll be trumped ?  |
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Post by swamprat on Jul 4, 2015 10:43:39 GMT -6
THIS'LL fix 'em!
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Post by swamprat on Aug 5, 2015 8:31:26 GMT -6
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Post by swamprat on Aug 7, 2015 10:15:49 GMT -6
Hybrid species found!  They are actually living among us!
Here is one in his natural habitat!
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Post by swamprat on Aug 8, 2015 16:29:23 GMT -6
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Post by Deleted on Aug 9, 2015 12:37:26 GMT -6
I believe
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Post by swamprat on Aug 23, 2015 13:18:02 GMT -6
Today's Fashion Tip
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Post by swamprat on Nov 2, 2015 19:58:21 GMT -6
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Post by swamprat on Nov 17, 2015 18:00:34 GMT -6
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Post by Deleted on Nov 18, 2015 13:18:41 GMT -6
Now THAT is too perfect!!! I knew those mini thugs reminded me of something.....they DO have catty faces.
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Post by swamprat on Nov 26, 2015 20:24:05 GMT -6
Not sure whether this is funny or not.......
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Post by Deleted on Nov 26, 2015 23:21:37 GMT -6
It's one of those a toe on either side things..funny/terrifying.
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Post by Deleted on Nov 26, 2015 23:23:19 GMT -6
I'm really banking on Putin having brains enough NOT to do a really stupid thing.
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Post by skywalker on Nov 27, 2015 19:22:07 GMT -6
What stupid thing could he possibly do? It appears that he is actually willing to use his military. Ours is too busy dropping leaflets warning the terrorists when they are about to be bombed. I seriously doubt that we're going to see it raining pieces of paper with Russian writing on them any time soon.
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Post by swamprat on Nov 29, 2015 20:22:04 GMT -6
Uh oh! When you get that premonition......
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Post by auntym on Nov 30, 2015 14:44:34 GMT -6
Hahahaha
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Post by auntym on Dec 6, 2015 13:09:50 GMT -6
www.huffingtonpost.com/entry/ryan-gosling-snl-aliens-laughing_566451d2e4b072e9d1c67f5d  Close Encounter - SNL
Saturday Night LivePublished on Dec 6, 2015 Three people (Kate McKinnon, Cecily Strong, Ryan Gosling) share very different stories about their alien abduction. Ryan Gosling was a very charming -- and giggly -- host on "Saturday Night Live" this weekend. The actor could not keep it together during one sketch in particular, "Close Encounter," about three alien abductees who have very different experiences with their captors. Kate McKinnon can make even the best of them break.
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Post by auntym on Dec 6, 2015 13:27:14 GMT -6
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Hope all is well with everyone. I see there are some new members , thats good. So good to see your names on threads and be back!
Apr 2, 2022 23:25:54 GMT -6