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#21
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New rbr Science Officer
On May 2, 2:52*am, "
wrote: They _may_, but black holes decay, and the smaller, the faster. What does "They may" refer to? *Ultra-high energy cosmic rays entering the atmosphere may create black holes? *This has never been observed. *Black holes have never been observed to decay, either. snip Dumbass - Am I correct in assuming we can't observe "Hawking Radiation" because we lack the technology? thanks, Kurgan. presented by Gringioni. |
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#22
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New rbr Science Officer
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#23
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New rbr Science Officer
Kurgan. presented by Gringioni. wrote:
Am I correct in assuming we can't observe "Hawking Radiation" because we lack the technology? http://machineslikeus.com/news/hawking-radiation-generated-artificial-event-horizon |
#24
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New rbr Science Officer
Donald Munro wrote:
wrote: The amount of time and people's energy spent on this would have been better spent on the catastrophic consequences of collateralized mortgage obligations, which it turns out _do_ have the potential to destroy the world as we know it. Does a debt black hole have an event horizon ? And, if so, can it be observed AFTER you've already been sucked in? |
#25
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New rbr Science Officer
On May 2, 7:54*am, Donald Munro wrote:
Kurgan. presented by Gringioni. wrote: Am I correct in assuming we can't observe "Hawking Radiation" because we lack the technology? http://machineslikeus.com/news/hawking-radiation-generated-artificial... We live in an interesting time. My grandfather went to sea on an old sail-powered ship as a young boy and lived to see the moon landings, computers, cell phones etc. I've lived to see 40 lb 10 speeds become 15 lb 20 speeds. ;-) I am excited about the LHC, there may be some breakthrus in the next few years that will answer fundamental questions. -Paul |
#26
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New rbr Science Officer
In article
, " wrote: On May 2, 12:56*am, Michael Press wrote: In article , *"Paul G." wrote: On May 1, 4:00*pm, Fred Fredburger wrote: Paul G. wrote: On May 1, 12:56 pm, Fred Fredburger wrote: dave a wrote: www.thedailyshow.com Unfortunately, I don't know how to link directly to this, but please watch the Large Hadron Collider piece beginning around 3:15 into it. There is a 50/50 chance you will understand it. - dave a Watching the media clips mentioning Wagner's theory tells you all you need to know about the news media. These doomsday theories have a rich history: "Teller also raised the speculative possibility that an atomic bomb might "ignite" the atmosphere, because of a hypothetical fusion reaction of nitrogen nuclei. Bethe calculated, according to Serber, that it could not happen. However, a report co-authored by Teller showed that ignition of the atmosphere was not impossible, just unlikely." So they held their breath as the Trinity bomb went off... -Paul Yeah, but that was Teller. He's a smart guy. Presumably, Penn is too. They're not just some dumb-assed High School science teacher. Yeah, my father was a physicist and nuclear engineer. I lived in Las Vegas as a kid... near the atomic test site. He told me that story, the Hadron theory reminded me of it, so I looked it up. *The Hadron black hole theory can be put to rest by the fact that cosmic rays of much higher energies than the Hadron can generate bombard the atmosphere all the time, and don't create black holes. They _may_, but black holes decay, and the smaller, the faster. What does "They may" refer to? Ultra-high energy cosmic rays entering the atmosphere may create black holes? This has never been observed. Black holes have never been observed to decay, either. Although the theoretical grounds for black hole decay are well-motivated, this is a regime where theory is not at all tested by observations, and many non-theorists regard it as "interesting if true." Paul's summary was basically correct. Cosmic rays of higher energy than hadronic particles accelerated by the LHC enter the atmosphere all the time, and the universe hasn't been destroyed, nor have any growing-without-limit black holes been created, nor have any microscopic decaying black holes been observed. The amount of time and people's energy spent on this would have been better spent on the catastrophic consequences of collateralized mortgage obligations, which it turns out _do_ have the potential to destroy the world as we know it. I emphasized "may". Agree about the energy of cosmic rays compared to man made accelerators. As for the latter, I read Liar's_Poker when it was published in 1989, and knew the mortgage thing was in the cards. What do you propose to do about greed and power mongering? -- Michael Press |
#27
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New rbr Science Officer
Donald Munro wrote:
Kurgan. presented by Gringioni. wrote: Am I correct in assuming we can't observe "Hawking Radiation" because we lack the technology? http://machineslikeus.com/news/hawking-radiation-generated-artificial-event-horizon There is something a little odd about sending a Machines Like Us article to Mr. Soul in the Machine. |
#28
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New rbr Science Officer
On May 1, 2:21*pm, Donald Munro wrote:
Bret wrote: It looks like the Daily Show writers come to rbr for ideas when they have writer's block. That's like going to a convent to cure impotence. oh, I don't know. I think I had a thing for Sally Field when I was like 12. |
#29
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New rbr Science Officer
In article ,
wrote: On May 1, 2:21*pm, Donald Munro wrote: Bret wrote: It looks like the Daily Show writers come to rbr for ideas when they have writer's block. That's like going to a convent to cure impotence. oh, I don't know. I think I had a thing for Sally Field when I was like 12. Agent 99. Oh, yeah. http://www.wouldyoubelieve.com/99.html http://www.stacymunn.com/blog/img/shoephone.jpg -- tanx, Howard Caught playing safe It's a bored game remove YOUR SHOES to reply, ok? |
#30
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New rbr Science Officer
On May 1, 8:05*pm, Carl Sundquist wrote:
Howard Kveck wrote: In article , wrote: On May 1, 2:21 pm, Donald Munro wrote: Bret wrote: It looks like the Daily Show writers come to rbr for ideas when they have writer's block. That's like going to a convent to cure impotence. oh, I don't know. *I think I had a thing for Sally Field when I was like 12. http://www.imdb.com/media/rm660903936/tt0061252 |
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