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I think there is a scifi movie [^]related to that.
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Roger Wright wrote: Imagine a sidewalk that generates electricity from footsteps; this guy[^] might just make it happen.
You mean people still walk?
I think they should apply this technology to the surface of every smart phone. The things would probably be able recharge themselves.
Marc
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How about light from opening envelopes?
Close a self seal envelope and let it set for a while.
Then in a dark room open it by pulling the sealed flaps apart.
You will see a blue/grey glow for a split second.
Tribophysics!
It is the crystals rupturing and releasing energy in the form of electromagnetic radiation.
Do you know the first person to ask Professor Frank Close about this?
Yep, it was me and he had never heard of it before.
(I was also the first person to ask him what the speed of gravity is and he said it was a very interesting question, then moved on without answering it. 20 years later he published The Cosmic Onion in which he stated he had spent 20 years thinking about the speed of gravity before declaring it as c. He sent me a signed copy of the book).
---------------------------------
Obscurum per obscurius.
Ad astra per alas porci.
Quidquid latine dictum sit, altum videtur .
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Dalek Dave wrote: speed of gravity ... he ... declaring it as c.
That is a very interesting question. Somehow I think it's faster than "c". In fact, I think it's instantaneous. But WTF do I know?
If your actions inspire others to dream more, learn more, do more and become more, you are a leader.-John Q. Adams
You must accept one of two basic premises: Either we are alone in the universe, or we are not alone in the universe. And either way, the implications are staggering.-Wernher von Braun
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.-Albert Einstein
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ahmed zahmed wrote: In fact, I think it's instantaneous.
You'd think so =, wouldn't you? Unfortunately, experimentation says otherwise: http://www.csa.com/discoveryguides/gravity/overview.php[^]
Those who fail to learn history are doomed to repeat it. --- George Santayana (December 16, 1863 – September 26, 1952)
Those who fail to clear history are doomed to explain it. --- OriginalGriff (February 24, 1959 – ∞)
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Well, blow me down and tie me in a knot!
That's fascinating, and believe it or not a very understandable read. And the "experiment" makes sense.
Kopeikin is one smart dude!
If your actions inspire others to dream more, learn more, do more and become more, you are a leader.-John Q. Adams
You must accept one of two basic premises: Either we are alone in the universe, or we are not alone in the universe. And either way, the implications are staggering.-Wernher von Braun
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.-Albert Einstein
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I like it when someone can write up a serious experiment like that without having to use technobabble just to make themselves seem knowledgeable and ends up with a description you can understand without needing to know the theoretical math behind it (because that makes no sense to me at all these days and in extreme cases turns my brain off!)
It's a good description of a good experiment!
Those who fail to learn history are doomed to repeat it. --- George Santayana (December 16, 1863 – September 26, 1952)
Those who fail to clear history are doomed to explain it. --- OriginalGriff (February 24, 1959 – ∞)
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Could be a great benefit in first year of marriage after that it would be of minimal use. 
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Nah. After the first year, you just upgrade to the glove version...
Will Rogers never met me.
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Yeah, if you turn it on. This was in the Insider News aa couple of days ago: http://www.codeproject.com/Messages/4742935/Speech-recognition-hack-turns-Google-Chrome-into-a.aspx[^]
You have to actually give a website permission to listen, and then it isn't shut down properly.
My solution: unplug the microphone. Works fine... 
Those who fail to learn history are doomed to repeat it. --- George Santayana (December 16, 1863 – September 26, 1952)
Those who fail to clear history are doomed to explain it. --- OriginalGriff (February 24, 1959 – ∞)
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I don't read Insider News often and I honestly didn't see it. I got the link from Facebook.
Unplugging the microphone may not be an option on all devices. On a laptop, you can disable the microphone, but on tablets and smartphone, I don't think there is an option.
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There is an "emergency" microphone reset, but it requires special tools:
Basic tool[^]
Precision tool[^]
Those who fail to learn history are doomed to repeat it. --- George Santayana (December 16, 1863 – September 26, 1952)
Those who fail to clear history are doomed to explain it. --- OriginalGriff (February 24, 1959 – ∞)
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Yep, it's lovely how they fuq it up directly, but disable NPAPI (without a replacement) just because is old. I wonder why they don't obsolete Win32 altogether. Or at least LoadLibrary.
Nuclear launch detected
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Looking for a home that comes with a sweet ride? Check out the video and pictures offering this house for sale in Sherwood, Ore. It comes complete with rideable scale railroad boasting a trainyard, both diesel and coal-fired engines, a tunnel and a railroad trestle. The video will make your day.[^] (Article, with embedded video, lots of pictures)
If I had $3.5 Million dollars to spare, I'd buy!
If your actions inspire others to dream more, learn more, do more and become more, you are a leader.-John Q. Adams
You must accept one of two basic premises: Either we are alone in the universe, or we are not alone in the universe. And either way, the implications are staggering.-Wernher von Braun
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.-Albert Einstein
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Must buy Lotto Ticket!
Become the coolest Grandpa EVER!
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An elderly couple had just learned how to send text messages on their cell phones. The wife was a romantic type and the husband was more of a no-nonsense guy. One afternoon the wife went out to meet a friend for coffee. She decided to send her husband a romantic text message and she wrote:
If you are sleeping, send me your dreams.
If you are laughing, send me your smile.
If you are eating, send me a bite.
If you are drinking, send me a sip.
If you are crying, send me your tears.
I love you.
The husband texted back to her: "I'm on the toilet. Please advise!
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Now that's just taking the piss...
“That which can be asserted without evidence, can be dismissed without evidence.”
― Christopher Hitchens
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Thanks for a good laugh Mike 
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Glad you enjoyed it Espen.
It gave me a good chuckle when I read it and thought it would be a good share.
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Simplify (x & ~y) > (~x & y)
I quite liked how it just works out, and it's a nice little puzzle assuming you haven't seen it before, not so hard that it'll cost you your weekend, but good enough to tease your brain for a couple of minutes.
The comparison can be taken as signed or unsigned.
ps: I actually needed this thing today, but the other way around. I had to compute what this thing simplifies to, but only had x & ~y and ~x & y available.
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This[^] Becomes This[^]
Assuming the x and y are Chromosomes
---------------------------------
Obscurum per obscurius.
Ad astra per alas porci.
Quidquid latine dictum sit, altum videtur .
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Yes. Full points awarded.
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Let x = 10, y = 20
Then
~y = -21
~x = -11
(x & ~y) = 10 & -21
(~x & y) = -11 & 20
Then perform bitwise operation  , Refer - Bit wise operations in C#[^]
Thanks,
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