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Dude Takes a Mountain to His Crotch at 120 mph (no joke)

Ghostly says...

All judgements about his sanity aside, is no one else impressed that he managed to regain some control over his flight and had the presence of mind to still pull his shoot after his pelvis just exploded!

Missing cat finds owner during interview after 3 weeks

Boeing 767 - Emergency Landing With No Landing Gear

Ghostly says...

Translation I did for the fun of it. The reporters are a bit chaotic and babbling -_-;;

Man: The plane flown by airline Lot, is one which has undergone many modernisations, and even if it is 5, 10 or 12 years old well that is...
Women: (cuts in) The plane is landing, we have footage. It looks like the emergency landing attempt is successful. It landed without the landing gear.
Man : (talking over woman) It looks like it's landing on a cushion of foam.
Woman: (continuing to talk simultaneously) a foam cushion, yes that's right that's what was prepared.
Man: That's also the reason for what's happening behind the plane at this moment it is plumes of vaporised foam or other liquids. Ah it seems it is now scraping the runway with the right engine, because it's sparking.
Woman: (cutting in) Yes but it is after all as the Pawel Frondczak, spokesman for the state fire department said, the runway has been coated with a special foam in preparation, and it seems this was a wise move and plane has now landed, stopped and nothing has happened.
Man: And the most important thing now is the next 20-30 seconds, ladies and gentlemen, you'll see in a moment how quickly the fire trucks will arrive on the scene. These are special modern fire trucks which are capable of accelerating up to 140km/h on this runway, so that they can reach the plane as soon as possible. And in a moment they will probably be dousing it with fire extinguishing foam, in particular, though we cannot see in this shot, the engine on the right side of the plane which scraped the runway will be among the first sections to be doused with foam.

Chris Hedges: 'Corporations have carried out a coup d'etat'

Ghostly says...

>> ^rottenseed:

"...centrifugal force; you never know where they're going." Sorry, the physics nerd in me has to point out that you'd know they're going in circles. You'd even know what size circle, velocity and position. Carry on.


I thought the same thing when I heard that, but then I tried to think what he might have meant by that and I came up with the following which made me feel better:

"Its like a centrifugal force" possibly refers to something like someone/something clinging to a spinning wheel/surface and you never know when or which direction they will go flying off in. Kinda like all those morons on merry-go-rounds powered by their mate's scooter.

EDIT: Also I realise that if you know all the factors involved such as friction, grip strength etc etc you can possibly predict even these things but let's assume you can't be sure when fatigue etc will set in or something like that

Cool Penguin Doesn't Mind Hanging By Himself

Know Your Meme: Philosoraptor

Know Your Meme: Philosoraptor

What is the best Super power? (it's not what you think...)

Ghostly says...

By their rules time stopping is not so great.

Time Stop:
If you keep stopping time for everything besides yourself, then you will essentially age faster relative to everyone else. Your biggest mistake would be to regularly use it for long distance psuedo-teleportation...

Full Time Manipulation:
Even full time manipulation may not be considered so great because even if you could selectively turn back time on your body to reverse aging, you wouldn't be able to do it on your brain unless you want to lose any memories/experiences recorded there.

Why Pandas Are Black And White

This commercial IS the 80's

Sadistic Child vs. Lizard

Ghostly says...

i reckon the parents knew exactly what was going to happen, and the other kids did as well.. good on them for letting him learn the lesson on his own i say. =)

What Would Happen if You Put Your Hand in the LHC

Ghostly says...

Disclaimer: I don't claim to be an authority on the topic, I just thought I'd share my musings for any who may be interested

I'm extremely surprised that none of the physicist could give a remotely satisfactory answer to the beam-hand interaction question. I realise that the energies involved are extreme so weird things may happen and they obviously specialise in more fundamental aspects of the physics but I would have expected all of them to know at least a little bit about the physics of interactions between charged particle radiation beams with solid objects or water.

I only learnt a bit about proton beam therapy used in radiation oncology during my Masters in Medical Physics, and I'll admit I've forgotten a lot of it and can't remember all the calculations or parameters involved, but it seems to me like this would be a similar although perhaps more extreme case. Ultimately you would be receiving some dose of ionising radiation, the amount would depend on various things.

As solid as our hand appears to be it is still mostly empty space on an atomic scale, and there is a very high likelihood that protons in the beam will not collide with anything as they pass through. This is particularly true at very high energies, I forget exactly why... either due to momentum or the time spent in close enough proximity with atomic nuclei or something, but protons interact relatively weakly until they lose enough energy through the few interactions that do occur, at which point the likelihood of further interactions rises exponentially dumping all the remaining energy very rapidly. It is interesting to note here that at medically relevant energies 100-200Mev (17-35 thousand times lower than the LHC) this energy dump requires between 5 and 20cm tissue for the initial slow down to take place before the beams slow enough to dump the bulk of their energy. Your hand is at most a few centimetres thick and barely sufficient enough to do this at 100MeV let alone 3.5TeV. Graph which illustrates this.

Anyway, energy from the beam would be deposited due to some deflections and collisions and result in ionisation of some atoms either directly by collisions or indirectly by xray/gamma rays produced in the interactions. The few direct collisions between protons in the beam and atomic nuclei would also likely result in exotic particles and radiation further contributing to the dose you receive.

Other things to consider are whether the protons that shoot through your hand are still following sensible enough trajectories for the LHC to bend them around for another pass. At near light speeds they would be shooting around the LHC many thousands of times per second so even if the chances of interactions occuring in your hand are slim, each proton that manages to make another pass rather than shoot off on a random path that takes it out of the LHC, will have many opportunities to interact and deposit energy.

So depending on just how many protons are in the beam, and how much energy they dump into your hand, the effect could be anywhere from increased chance of cancer to a radiation burn of some sort if not a hole in your hand (although I suspect that most extreme scenario is unlikely).

All of this assumes my understanding isn't completely void at the energies involved which, if it is, may explain why the physicists didn't mention any of this.

Drive Safely

Ghostly says...

What terrifies me is that you could be the best driver in existence, but then one of these idiots comes along and it won't necessarily save you... It's why, at the very least, I surround myself with metal rather than ride a motorcycle

Pacific Sun Cruise Liner in Heavy Seas - CCTV Footage

Ghostly says...

For the amusement of any who didn't read the full news report linked above:

"The company had arranged travel and accommodation for waiting family and friends, and was offering passengers 25 per cent off the price of any future cruise they took."

Dropping Stones Down A Deep Well Sounds Like A Machine Gun??



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