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Sea urchin could lead to knives that never need sharpening
Telegraph ^
| Dec 25, 2010
Posted on 12/25/2010 5:49:30 PM PST by the invisib1e hand
A sea urchin with teeth that can eat through stone could one day lead to knives which never need sharpening.
The creatures have self-honing teeth which allow them to chomp through stone, carving out hideaways on rocky shores.
Scientists have now learned how the urchins keep their teeth razor-sharp and believe that technology based on the same principle could create everlasting bladed tools.
Analysing the teeth of the California purple sea urchin, the scientists found a complex structure of layered calcite crystals held together by super-hard natural cement.
Between ...
(Excerpt) Read more at telegraph.co.uk ...
TOPICS: Business/Economy; Culture/Society
KEYWORDS: knives; seaurchin
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To: the invisib1e hand
Lemme guess.... “All this can be yours for only $19.95!!!” ?
To: piytar
We can go a long way toward that design if you can devise a handle with a fishtank component where you can FEED the critter.
I'm going to name my new living sword "Bowser" ~
42
posted on
12/25/2010 8:45:56 PM PST
by
muawiyah
To: piytar
And you’d have to keep giving the critter something to chew upon, lest you open your kitchen drawer and find a monster overgrown knife in there some day.
43
posted on
12/25/2010 9:07:06 PM PST
by
HiTech RedNeck
(I am in America but not of America (per bible: am in the world but not of it))
To: roadcat
Right; I forgot about trading up. Thanks.
To: EternalVigilance
yeah, a lot more. LOL the shipping and handling cost you another 15 dollars. Merry Christmas EV. Good to see you.
45
posted on
12/25/2010 9:11:03 PM PST
by
fish hawk
(RINO-plasty: Congressional surgery done with a vote.)
To: fish hawk
Same to you, sir. Hope you and yours are well.
46
posted on
12/25/2010 9:12:33 PM PST
by
EternalVigilance
(I'm not a Democrat. I'm not a Republican. I'm a Christian and an American.)
To: muawiyah
...after the formation of the Oceans several billions of years ago just all sorts of things had to fall out of hyperspace ~ and still be here. Remember, spacefaring humanity is going to take living repair kits and parts making tools with them ~
That is one of the most profound statements I've ever read on this website. Just beautifully said.
47
posted on
12/25/2010 10:00:51 PM PST
by
Windflier
(To anger a conservative, tell him a lie. To anger a liberal, tell him the truth.)
To: the invisib1e hand
Well, clearly this story isn't getting *dull.*
Since it's not *breaking,* maybe I should have posted it in *urchin?*
48
posted on
12/25/2010 10:56:33 PM PST
by
the invisib1e hand
("Three hostile newspapers are more to be feared than 200 swords" - Napoleon Bonapart)
To: the invisib1e hand
Oh great, now we are doomed to 10 to 20 years of “Urchi Knife” infomercials.
49
posted on
12/25/2010 11:10:05 PM PST
by
JSteff
((((It was ALL about SCOTUS. Most forget about that and HAVE DOOMED us for a generation or more.))))
To: the invisib1e hand
I think I still have some sea urchin spikes in my bum. (I sat on one back in ‘91)
50
posted on
12/25/2010 11:13:29 PM PST
by
Sarajevo
(You're jealous because the voices only talk to me.)
To: the invisib1e hand
Oh great, now we are doomed to 10 to 20 years of “Urchi Knife” infomercials.
51
posted on
12/25/2010 11:15:45 PM PST
by
JSteff
((((It was ALL about SCOTUS. Most forget about that and HAVE DOOMED us for a generation or more.))))
To: the invisib1e hand
Swordfish could lead to sabers that never need rattling
To: andyk
MMmmm...Sea Urchin!
It's what's for dinner!
To: the invisib1e hand
I shall remain skeptical until such time as I witness one of these knives gut, skin, and process a wild boar hog while retaining a razor-sharp edge.
54
posted on
12/26/2010 7:21:11 AM PST
by
Texas Mulerider
(Rap music: hieroglyphics with a beat.)
To: EternalVigilance
I’m 70....haven’t had a real cutting problem since I could handle a knife...In fact, kids are now taking them away from me.
To: piytar
Sharpening knives on a sanding block was a big deal at our house. It was just cool.
To: bunkerhill7
Swordfish could lead to sabers that never need rattlingwhat will catfish lead to, then?
57
posted on
12/26/2010 7:52:41 AM PST
by
the invisib1e hand
("Three hostile newspapers are more to be feared than 200 swords" - Napoleon Bonapart)
To: Texas Mulerider
You can probably train a sea urchin to do the whole job.
Maybe even to bag the whole hog for ya.
58
posted on
12/26/2010 7:55:18 AM PST
by
the invisib1e hand
("Three hostile newspapers are more to be feared than 200 swords" - Napoleon Bonapart)
To: the invisib1e hand
59
posted on
12/26/2010 10:57:10 AM PST
by
GregoryFul
(Obama - Jim Jones redux)
To: SampleMan
Correct. Also Google the “Scovill Hoe”...
60
posted on
12/26/2010 11:20:06 AM PST
by
TXnMA
(Remember the Alamo! Remember Goliad! REPEAT San Jacinto!!!)
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