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Robo Reagan posted:logs which are a lot tougher than bones Point of order. Our bones are made of metal (calcium) and stronger than steel.
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Dec 9, 2015 19:00
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Jerkey for all attendees.
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Dec 9, 2015 19:00
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So does that mean a wood chipper can chomp through steel beams?
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Dec 9, 2015 19:00
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Robo Reagan posted:I mean, if you're that curious google image search is a few clicks away Yeah there's one of those incidents that was photgraphically documented fairly well. It's uh...pretty much what you'd expect.
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Dec 9, 2015 19:04
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We have a 150 hp plastic granulator in our plant, it's kind of similar in principle to a tree shredder except it relies on gravity to feed the rotor rather than having the rollers that push the tree in. We like to say that "if it gets any of you, all of you's been got".
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Dec 9, 2015 19:07
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spacetoaster posted:Point of order. Our bones are made of metal (calcium) and stronger than steel. Pound for pound maybe. They're not nearly as dense as steel and weigh basically nothing compared to an equivalent volume. Also they're far more brittle and prone to shattering under shock loads. Same goes for wood, although obviously not as extreme as steel. Fitzy Fitz posted:So when you get sucked into a wood chipper, does it usually pull you the whole way through or does it just get your leg and then you bleed out? Wood chippers typically have a hydraulic roller that drags wood in before it is chipped. Picture a big steel drum with 1/2" long teeth. Nothing comes backwards out of that. I guess if the opening was small enough it might rip a limb off and then you'd get free that way.
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Dec 9, 2015 19:23
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EKDS5k posted:Pound for pound maybe. They're not nearly as dense as steel and weigh basically nothing compared to an equivalent volume. Also they're far more brittle and prone to shattering under shock loads. Same goes for wood, although obviously not as extreme as steel. You can easily experiment with this by elbow striking a steel wall repeatedly and seeing what breaks first.
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Dec 9, 2015 19:28
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EKDS5k posted:Pound for pound maybe. They're not nearly as dense as steel and weigh basically nothing compared to an equivalent volume. Also they're far more brittle and prone to shattering under shock loads. Same goes for wood, although obviously not as extreme as steel. They're also not made of calcium. Aside from the living cells, they're a collagen matrix supporting a structure of calcium and phosphorous salts. Calcium's a metal, but hydroxyapatite is definitely not. Even if they were made of pure calcium metal, calcium is nowhere near as strong by any measure as steel is.
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Dec 9, 2015 20:20
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Phanatic posted:They're also not made of calcium. Aside from the living cells, they're a collagen matrix supporting a structure of calcium and phosphorous salts. Calcium's a metal, but hydroxyapatite is definitely not. Even if they were made of pure calcium metal, calcium is nowhere near as strong by any measure as steel is. With the exception of intelligent calcium, of course. https://www.youtube.com/watch?v=FBaVwwuErmU
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Dec 9, 2015 21:31
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EKDS5k posted:Pound for pound maybe. They're not nearly as dense as steel and weigh basically nothing compared to an equivalent volume. Also they're far more brittle and prone to shattering under shock loads. Same goes for wood, although obviously not as extreme as steel. Sure, yeah. But compared to a stick of wood I'd say fresh bone is a bit tougher.
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Dec 9, 2015 21:38
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spacetoaster posted:Sure, yeah. But compared to a stick of wood I'd say fresh bone is a bit tougher. The fact that wood is stronger than bone is the entire reason early humans started making tools out of wood instead of bone. If you're talking purely about supporting a static load in the vertical position, then yes, bone has a lot going for it. In basically every other application it loses out to even low grade pine. The fact is that the bones in your arm wouldn't slow down the blades in even a small wood chipper, never mind the bigger units.
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Dec 9, 2015 22:07
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spacetoaster posted:Point of order. Our bones are made of metal (calcium) and stronger than steel. Can jet fuel melt through bones?
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Dec 9, 2015 22:08
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spacetoaster posted:Point of order. Our bones are made of metal (calcium) and stronger than steel. This is like saying a pillar of salt is made of metal (sodium). Metal-containing compounds are not the same as metals or metal alloys. Also, even if your bones were made of iron, they're essentially hollow (foamy) inside. If you've ever seen a metal foam, imagine something like that. Stiff, but nothing like a solid bar. 
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Dec 9, 2015 22:56
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The word "tough" has a specific meaning when discussing materials properties. It has to do with the ability to absorb pressure applied to it by flexing without breaking. Bones are very hard but they're brittle, much more brittle than wood. The blades and teeth and wheels in a wood chipper are made of hardened, tempered carbon steel, which is both tougher than wood and harder than bone, by a lot.
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Dec 9, 2015 22:56
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spacetoaster posted:Sure, yeah. But compared to a stick of wood I'd say fresh bone is a bit tougher. You're thinking of words, not wood. Remember: Sticks and stones may break my bones, but words will never hurt me
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Dec 9, 2015 23:04
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If wood and bone isnt tough how do chippers get jammed in the first place. Checkmate nerds.
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Dec 9, 2015 23:21
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Probably because there is one bone that is stronger than diamond (the crotch bone.)
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Dec 9, 2015 23:35
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the boner
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Dec 9, 2015 23:51
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Dec 9, 2015 23:53
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Mozi posted:Probably because there is one bone that is stronger than diamond (the crotch bone.) Do not stick your dick in a wood chipper. Even if you're holding the stop bar.
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Dec 10, 2015 00:01
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JB50 posted:If wood and bone isnt tough how do chippers get jammed in the first place. Usually the jams are from the steel-toed boot
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Dec 10, 2015 01:10
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jetz0r posted:Do not stick your dick in a wood chipper. Even if you're holding the stop bar. "The Stop Bar" is what I call my dick.
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Dec 10, 2015 01:15
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spog posted:You're thinking of words, not wood. Unless those words are "dude the chipper's jammed give it a kick will you?"
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Dec 10, 2015 01:19
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I'm gonna drop a loving building on your woodchipper http://i.imgur.com/wBD1CAi.gifv
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Dec 10, 2015 01:27
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At least the worker is observing proper PPE of a bandana tied over the mouth
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Dec 10, 2015 02:07
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Phanatic posted:"The Stop Bar" is what I call my dick. Seeing it makes women stop and re-evaluate their life choices?
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Dec 10, 2015 02:16
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Code Jockey posted:Seeing it makes women stop and re-evaluate their life choices? And its use is accompanied by screaming and visits from emergency services
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Dec 10, 2015 02:50
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https://www.youtube.com/watch?v=jq-qngvz9N0 MAN I love chemistry!
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Dec 10, 2015 07:51
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"This might explode." *drops entire chunk of lithium into glass of water on his computer desk*
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Dec 10, 2015 09:40
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GotLag posted:"This might explode." and wraps his loving hand around it like dude did you not see that scene in armageddon?
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Dec 10, 2015 11:13
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Enourmo posted:and wraps his loving hand around it Maybe he wanted to gain superpowers
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Dec 10, 2015 11:43
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Robo Reagan posted:So does that mean a wood chipper can chomp through steel beams?
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Dec 10, 2015 17:11
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EKDS5k posted:The fact that wood is stronger than bone is the entire reason early humans started making tools out of wood instead of bone. If you're talking purely about supporting a static load in the vertical position, then yes, bone has a lot going for it. In basically every other application it loses out to even low grade pine. I'm going to start spamming "The fact that" whenever I speak to people about anything. 
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Dec 10, 2015 17:16
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Forer posted:https://www.youtube.com/watch?v=jq-qngvz9N0 How can you be smart enough to know that it's reactive and dumb enough to do...well, that. I wonder what his hospital bills were like.
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Dec 10, 2015 17:49
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It probably wasn't as bad as it appears. Lithium in water doesn't really "explode", it just burns quickly and brightly. The glass probably shattered from the heat, not from a detonation. I'm guessing some lacerations from the glass and second-degree burns on his hands but no missing fingats. Maybe minor chemical burns too if he didn't deal properly with the lithium hydroxide he was producing.
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Dec 10, 2015 21:53
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Grey Fox posted:I'm gonna drop a loving building on your woodchipper Anyone know what a safety zone is? 
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Dec 10, 2015 22:58
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monkeytennis posted:Anyone know what a safety zone is? India?
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Dec 10, 2015 23:09
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monkeytennis posted:Anyone know what a safety zone is? It was like a mini 9/11 reenactment.
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Dec 10, 2015 23:33
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GotLag posted:"This might explode." A little research into alkali metals first might have helped. https://www.youtube.com/watch?v=uixxJtJPVXk Edit: Where can I get a big chunk of caesium? Say Nothing fucked around with this message at 00:24 on Dec 11, 2015 |
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Dec 11, 2015 00:21
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Say Nothing posted:Edit: Where can I get a big chunk of caesium? Chernobyl?
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Dec 11, 2015 00:42
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