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Hawking: Matter-antimatter annihilation is cool
#21
if they're not building these things until after 2050 i might be a bit too old to travel those sorts of distances....



in any case, would there not be just as much chance of the planet at the other end of the journey being wiped out by an asteroid collision and, who knows, there could be some sort of life there that had already started a a nuclear war of their own.
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#22
Trials are now being carried out at Google-bot Central.



Results will be shown at the same time as those for White-beetroot, Speaker Wire Corrosion Salt, and the Polariser MkII.
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#23
[quote name='POWERZONE' post='4511' date='May 26 2008, 05:23 PM']Trials are now being carried out at Google-bot Central.



Results will be shown at the same time as those for White-beetroot, Speaker Wire Corrosion Salt, and the Polariser MkII.[/quote]

er, what's a polariser mkII?
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#24
[quote name='helen m' post='4512' date='May 26 2008, 05:32 PM']er, what's a polariser mkII?[/quote]

The mkII version of the "Polariser" marketed by Peter Brock in 1987. It's a box of magnets (and an antenna) designed to make your car more efficient (but you must under-inflate your tyres to dangerously low levels for it to work) <img src='http://www.melbournechat.org/public/style_emoticons/<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='Smile' />
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#25
[quote name='POWERZONE' post='4513' date='May 26 2008, 05:42 PM']The mkII version of the "Polariser" marketed by Peter Brock in 1987. It's a box of magnets (and an antenna) designed to make your car more efficient (but you must under-inflate your tyres to dangerously low levels for it to work) <img src='http://www.melbournechat.org/public/style_emoticons/<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='Smile' />[/quote]



hmmmmm.... interesting. i just googled it and came up with this:



Quote:ANDREW DENTON: I will move on to what was the low point in your career, which was the Energy Polarizer, which you brought out in the...



PETER BROCK: Yeah, that was an interesting thing, actually, because...



ANDREW DENTON: Can I just explain to those that don't know what it was, it was just a, it was a box...with magnets and crystals, which you said would turn even a dog of a car into a sweet-running one. And basically, the press turned on you as some kind of New-Age crank.



PETER BROCK: They did, but I must tell you that the only portion of crystal in that was a sliver of crystal, not unlike what you have in a wristwatch. So I wasn't exactly, you know, sleeping under pyramids and stuff like that.
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#26
It was what caused Peter Brock to split with Holden after he released the VL "Director" equipped with the device - against Holdens' wishes (because they couldn't offer a guarantee the polariser would work)
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#27
[quote name='glen' post='4436' date='May 3 2008, 10:14 PM']so i guess 1+1 doesn't equal 2? ######! <img src='http://www.melbournechat.org/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt='Tongue' /> lucky my maths is not so good these days as its all wrong anyway! <img src='http://www.melbournechat.org/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt='Smile' />[/quote]

I was bothered to learn 2+2=4 doesn't equal four for Erasmus Darwins big band theory.

Not being good at the math I decided it was a paradox one of those impossibilites that prove EInstein wrong.

Two universes a big crunch and a big bang make one cycle of the big bang according to Darwin.

2+2=4 is 2 E=MCsquared+ 2 E=Mcsquared= 4 E=MCsquared.

The interesting thing is that mass and energy have to balance but energy is lost due to the second law of thermodynamics.

So to balance 2+2=4 the universe must become more massive with each cycle as we go backward in time.

if there is infinite time the universe goes on forever.

And mass reaches infinity one or those paradoxs which mean the big bang theory according to evolution isn't right.

Steve
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#28
[quote name='RICHARD THOMAS' post='4643' date='May 31 2008, 07:28 PM']I was bothered to learn 2+2=4 doesn't equal four for Erasmus Darwins big band theory.

Not being good at the math I decided it was a paradox one of those impossibilites that prove EInstein wrong.

Two universes a big crunch and a big bang make one cycle of the big bang according to Darwin.

2+2=4 is 2 E=MCsquared+ 2 E=Mcsquared= 4 E=MCsquared.

The interesting thing is that mass and energy have to balance but energy is lost due to the second law of thermodynamics.

So to balance 2+2=4 the universe must become more massive with each cycle as we go backward in time.

if there is infinite time the universe goes on forever.

And mass reaches infinity one or those paradoxs which mean the big bang theory according to evolution isn't right.

Steve[/quote]

"freedom is the freedom to say that two plus two make four. if that is granted, all else follows."
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#29
[quote name='helen m' post='4646' date='Jun 1 2008, 01:51 AM']"freedom is the freedom to say that two plus two make four. if that is granted, all else follows."[/quote]



hooray i actually know that quote!!! i have not read many novels but i did read 1984. <img src='http://www.melbournechat.org/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt='Tongue' />
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#30
[quote name='glen' post='1193' date='Dec 4 2006, 03:16 PM']Hawking: Matter-antimatter annihilation is cool



In a recent BBC Radio interview the world renowned scientist, Stephen Hawking, explained that it is inevitable that mankind must colonize other planets for us to survive. Abandoning Earth will be necessary because we will eventually be wiped out by either a nuclear war or an asteroid collision with Earth.



"The long-term survival of the human race is at risk as long as it is confined to a single planet," Mr Hawking explained.



In order to reach other habitable worlds, we will need a fast means of transport. Mr Hawking is a supporter of a method of travelling that could potentially permit speeds of just under the speed of light. The method involves matter-antimatter annihilation and photon drives.



The method depends on the combination of matter and antimatter. When these two things are brought together they disappear in a flash of radiation. If this radiation is beamed out of the back of a rocket then it could allow the rocket to travel at close to the speed of light. In this case, it would only take 6 years to reach the closest star. According to Mr Hawking, this 6 year journey would not feel quite that long to the people on board the rocket.



The interview was recorded on the 30th of November 2006 and the audio is available online:



[url="http://news.bbc.co.uk/nolavconsole/ifs_news/hi/nb_wm_fs.stm?news=1&nbram=1&nbwm=1&nol_storyid=6159437"]http://news.bbc.co.uk/nolavconsole/ifs_new...storyid=6159437[/url]



[color="#006600"]NOTE: If you have any suggestions on how we can create a high speed rocket please leave a message below. I will be happy to forward any good ideas on to NASA. The NASA's Marshall Space Flight Center has tried but they haven't had any luck so far. It would be great if we could help them out. [/color] <img src='http://www.melbournechat.org/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt='Rolleyes' />[/quote]
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#31
Wouldn't anything travelling anywhere near the speed of light have to have a similar composition to light?!
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#32
well if light is made up of photons then i guess that is matter so people should be able to travel just as fast <img src='http://www.melbournechat.org/public/style_emoticons/<#EMO_DIR#>/tongue.gif' class='bbc_emoticon' alt='Rolleyes' />
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#33
Liquid will not travel through a straw when frozen in a block of ice. <img src='http://www.melbournechat.org/public/style_emoticons/<#EMO_DIR#>/officechair.gif' class='bbc_emoticon' alt='Rolleyes' />
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#34
Neither will concrete once it has gone hard <img src='http://www.melbournechat.org/public/style_emoticons/<#EMO_DIR#>/tongue.gif' class='bbc_emoticon' alt='Smile' />
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#35
[quote name='PeterJMelb' post='24517' date='Feb 19 2010, 04:25 PM']Do you mean the ice won't travel through the straw or that the straw is frozen in a block of ice?

I'm confused, as usual.[/quote]

An ice block wont travel through a straw.
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#36
it might if it was a tiny ice block! <img src='http://www.melbournechat.org/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt='Smile' />
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#37
beats me! <img src='http://www.melbournechat.org/public/style_emoticons/<#EMO_DIR#>/tongue.gif' class='bbc_emoticon' alt='Smile' />
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#38
Peter,



My point is that matter in different forms has different properties and was in response to Glen's comment "well if light is made up of photons then i guess that is matter so people should be able to travel just as fast".
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#39
Yes true ...different forms.... but I think ice/water should be able to travel at the speed of light! <img src='http://www.melbournechat.org/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt='Smile' /> As could mars bars and cheeseburgers <img src='http://www.melbournechat.org/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt='Rolleyes' /> hahaha
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