I wasn’t going to write or post anything else on this subject as, frankly, all the doomsayers, conspiracy theorists and end of world prophets are beginning to get up my nose somewhat. I appreciate the hits they’re giving me, but I’d rather they were reading my novel samples instead! LOL
However, I today read this piece on BBC News’ LHC introduction and felt I had to quote at least part of it. The piece in question is an interview with Professor Brian Cox — the physicist, I believe, responsible for the Atlas experiment, a significant part of the work that will be done at the LHC. He pretty much says, with far more knowledge and authority than I, what I’ve been repeatedly trying to say over the past week or so.
“Q: Safety Concerns
Cern have been confident in the prediction that there are no major risks associated with the LHC’s operation. How robust is this prediction? In particular, how reliant is it upon unsupported theoretical assumptions? (Chris)
Okay, so how do we know this thing won’t make planet Earth implode then? (Stephen)
A: Let me answer all of these at once.
The LHC has absolutely no chance of destroying anything bigger than a few protons, let alone the Earth. This is not based on theoretical assumptions.
It is, of course, essential that all scientific research at the frontiers of knowledge, from genetics to particle physics, is subjected to the most rigorous scrutiny to ensure that our voyages into the unknown do not result in unforeseen, perhaps dangerous outcomes.
Cern, and indeed all research establishments, do this routinely and to the satisfaction of their host governments. In the case of the LHC, a report in plain English is available here:
http://public.web.cern.ch/public/en/LHC/Safety-en.html
For the record, the LHC collides particles together at energies far below those naturally occurring in many places in the Universe, including the upper atmosphere of our planet every second of every day.
If the LHC can produce micro black holes, for example, then nature is doing it right now by smashing ultra-high energy cosmic ray particles into the Earth directly above our heads with no discernable consequences.
The overwhelmingly most likely explanation for our continued existence in the face of this potentially prolific production of black holes is that they aren’t produced at all because there are either no extra dimensions in the Universe, or they aren’t set up right for us to see them.
If black holes are being produced, then next on the list of explanations for our continued existence is the broad theoretical consensus that sub-atomic black holes should fizzle back into the Universe very quickly, billionths of a second after they are created in a little flash of particles via a process known as Hawking radiation.
In other words, they evaporate away very quickly indeed. This process, which is perhaps Steven Hawking’s greatest contribution to theoretical physics, is on significantly firmer theoretical ground than the extra dimensions theories required to create the little black holes in the first place.
Even if Hawking is wrong, and therefore much of our understanding of modern physics is also wrong, the little black holes would be so tiny that they would rarely come close enough to a particle of matter in the Earth to eat it and grow.
And even if you don’t buy any of this, then you can still relax in the knowledge that we have no evidence anywhere in the Universe of a little black hole eating anything – not just Earth but the Sun and planets and every star we can see in the sky, including the immensely dense neutron stars and white dwarfs, remnants of ancient Suns that populate the sky in their millions and which because of their density would make great black hole food.
So – the only theoretical bit is in the proposition that you can make little black holes in the first place. From then on, observation tells us that these things either (a) don’t exist – the most likely explanation; or (b) exist, but do not eat neutron stars and are therefore harmless, probably because they evaporate away very quickly indeed!
I am in fact immensely irritated by the conspiracy theorists who spread this nonsense around and try to scare people. This non-story is symptomatic of a larger mistrust in science, particularly in the US, which includes intelligent design amongst other things.
The only serious issue is why so many people who don’t have the time or inclination to discover for themselves why this stuff is total crap have to be exposed to the opinions of these half-wits. (BC) “
I especially like that final paragraph! Well said, Brian.
The full interview can be seen here, with an interactive introduction to the LHC here.
sorry to sound stupid but I have been worried about this since I have read it.
Well, as I’ve said elsewhere, Clare, I’m not sure what else there is that I can add to put your mind at ease. There simply is no reason to be concerned about this.
Clarebear, you could just as easily be concerned that posting a comment on a blog would cause a black hole to eat up the Earth. In both cases there is absolutely no theoretical reason why it would happen. The only difference is we have a lot more actual evidence showing that the LHC won’t do it than we have showing that writing a blog comment won’t do it. The equivalent of the entire LHC programme is run several million million times a second in space, whereas the total number of blog comments throughout history probably only numbers in the billions, if that.
Nonetheless, I’m brave enough to click the Submit Comment button.
I think.
Yeah, I’ll go for it. Goodbye…
the world will end dec 21 2012.search for –planet x
Interesting…but here is the deal: People saying “Nothing is going to happen” are eventually those, who are right. Cause if anything happens, no one will be there to accuse themm of being wrong *smile*.
I just think, if something happens, it just proves that there is a)no other life form out there (for they would have done this earlyer) or b) we are just the dumbest breed of them all 🙂
I just hope it’s c) The next step to a more advanced and Star Trek like future 😉
Cheers…
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my little sister came back from high school today, and asked me if i thought the world was going to end tomorrow. apparently at school rumors were going around that someone is building some type of bomb, and we were all going to die…..
it irks me that people spread these sort of things with no evidence whatsoever.
thank you for helping to put her mind at ease.
Angela: I couldn’t have put it better myself. If we allow the ridiculous concerns over the LHC to impact on our lives we really are opening the door to some quite absurd possibilities. Not something I’m planning on doing any time soon!
sailingbreeze: the Mayans — yes, that prophetic nonsense has been going on even longer than the LHC concerns. At least it comes after the London Olympics. I’m really looking forward to that.
pmaschke: my money is definitely on c. As I’ve said before, my bet still stands 😉
Erich: I really appreciate that comment, thank you. It’s nice to know that my little contribution has helped in some way.
I wholeheartedly agree. This scaremongering is highly unacceptable. It preys on a lack of understanding and a wholly unwarranted fear of science. At least you and, I presume, your sister did the right thing and checked it out yourselves. Good on you for doing that and for making the necessary effort to see that this simply isn’t in any way a threat.
I am EFFING TERRIFIED….
if im not here tomorrow to read my reply…
Goodbye all xxx
we think tht this is a load of SHIT!!! and no one is gonna die get the fuck over it. you would think that if it was that serious and that much of a risk Korea would have bombed them by now
Jade: still here? 🙂 Thought so…
Franjo and Aimee: interesting line of reasoning LOL. You are quite right, though, it is a load of shit. Nothing has happened or will happen.
we have a plan… if we line up all the fat people in a row and push them in at the same time it will clog up the black hole and we will all live!! yayay!!! if not then we will be decidin who we want 2 save n then getin in2 a time machine. any fit boys are welcome 2 come wiv us
ly all may c u in the next world
=] xxxx
laura georgia and amy: you are so bad! I approve! I am a little concerned, however, that I may not fit the criteria for admission to the time machine, should the first plan fail. I’m kind of hoping that “fit” and “boy” are defined very loosely (i.e. as “unfit” and “old bloke”) LOL xxx
Guys,
I’m really worried, all my friends and I have all been like talking on MSN going ONE MINUTE LEFT!!! and it reached 6:00 PM and nothing happened, but we got the wrong day because America is a day behind Australia, then I looked at some youtube films of people talking about the World Ending. Is this serious? Will it happen? Dont just guess it and tell me if you’re not sure because I’m worried as hell.
Hey, I just checked the calendar and do you know what I noticed? I’m still here to check the calendar. LOL
Jennifer: the large hadron collider is actually in Switzerland, not Australia, and — as I have said many, many times, frankly, until I’m blue in the face — it is not a threat. The first beam was circulated early this morning UK time and the second completed its circuit at about 3 p.m. CET. It will be a couple of weeks before the real high-energy work begins but, just to be clear, THIS WILL NOT CAUSE THE END OF THE WORLD.
Lottie: just as long as the calendar doesn’t say February 3, 24,332! If that’s the case, it’s created a wormhole instead of a blackhole and things are about to get really weird! (Just to be clear, if anyone reading this considers this a real possibility and doesn’t realise that I’m joking — please leave the room immediately!)
I went ahead and double checked just to make sure, but it seems to be Wednesday September 10, 2008 as far as I can tell. ::smirk::
I do admire your patience, by they way. 😉
That’s a huge relief… I was really worried for a bit there he he…
Patient, moi? Blessedly, it all seems to be starting to die down a bit. Much longer and I may have turned green and ruined a perfectly good shirt and pair of pants! 😉
Agree with most of this, except the last paragraph. Scientists may know about science, but some seem to have a problem with free speech.
I have no problem with the final paragraph.
However much I might joke about it, over the past ten days or so the sheer number of very concerned/frightened people I’ve had contact to me through this site or directly really has made me question just how harmful such ridiculousness can be — both to the impressionable and to science.
Knowing what I know about Brian Cox, I’m certain that he wouldn’t wish to limit free speech. But that doesn’t mean we don’t have the right to question why so many people have to be exposed to this kind of stupidity. It can’t and never will be stopped, of course — all we can do is really work hard at making the correct information as available as possible — but I think it’s perfectly understandable that some like Professor Cox should vent in this way. Christ knows, I’ve only had ten days of it and it’s more than enough!
Great blog! Another wonderful scientist who speaks on this is Michio Kaku: http://www.youtube.com/watch?v=rk8Vr00EBHA&feature=related
And hey look! We’re not dead yet! 😉
Jessica
i like this blog, it has jumped to top 100 blog now
Jessica: thank you. Kaku is a great scientist and a hell of a communicator.
honeyelize: thank you for letting me know. Glad you like it.
A friend of mine responded to my Facebook post about being a bit worried about all this particle business…he gave me a great analogy about the north sky and how this test Switzerland happens in nature all the time and yet we are still here. Also been reading up on the physics of blackholes…if they create blackholes which I believe Cox says is a rare chance in itself then they wouldn’t be dense enough to “eat” anything and grow. Truely fear comes from the unknown and learning has helped quell my fears. Its hard when someone is raised with an apocoltotic Christian background to not have thoughts thinking “well god is this the end”? Nah, I’m sure god would be more creative than to have a black hole suck us all up.
That’s very true; much of the fear, if not all of it, surrounding this issue does indeed come from not knowing. Once one learns just the basics it becomes far easier to see that there really is nothing to worry about.
If anyone is still worried, and wants a longer explanation than the ones given so far, watch the video of this talk (which I borrowed some numbers from in my comment above) : http://indico.cern.ch/conferenceDisplay.py?confId=39099
If you’re not worried (and only if you’re not worried), watch this webcam from the first beam: http://www.cyriak.co.uk/lhc/lhc-webcams.html
Thanks, Angela!
(LOL.)