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(BBC)   Scottish scientists levitate microscopic sphere and spin it at 600 million rpm. Next up, dimpling it and making a microscopic five-iron   (bbc.co.uk) divider line 30
    More: Interesting, University of St Andrews, St Andrews, Scottish scientists, Centrifugal Force, Nature Communications, calcium carbonate, classical physics, axes  
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2384 clicks; posted to Geek » on 28 Aug 2013 at 9:18 PM (45 weeks ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-08-28 09:25:54 PM
FTA: They were able to levitate and spin a microscopic sphere at speeds of up to 600 million revolutions per minute.
This spin speed is half a million times faster than a domestic washing machine and more than a thousand times faster than a dental drill.


I don't think anyone in the UK knows what a dental drill is.

/other than they apparently spin at 600,000rpm?
 
2013-08-28 09:31:03 PM
This unfortunate black fellow on the right can help you with the dimpling.

Look at how someone messed up his skull.
www.bestpantyhosereview.com
 
2013-08-28 09:31:23 PM
and then 3D porn?
 
2013-08-28 09:31:49 PM
The only thing that spins faster is a politician.
/stolen from /.
 
2013-08-28 09:41:04 PM

jaytkay: This unfortunate black fellow on the right can help you with the dimpling.

Look at how someone messed up his skull.


Sorry, I can't see him. All I can see is the nearly naked Lady Gaga.

I daily to understand btw why tax dollars have to be spent rotating tiny spheres real fast when there are millions out of work and the nation's infrastructure is collapsing.
 
2013-08-28 09:44:54 PM
If you spin it the other way, you can go back in time.
 
2013-08-28 09:56:18 PM

Fast Moon: FTA: They were able to levitate and spin a microscopic sphere at speeds of up to 600 million revolutions per minute.
This spin speed is half a million times faster than a domestic washing machine and more than a thousand times faster than a dental drill.

I don't think anyone in the UK knows what a dental drill is.

/other than they apparently spin at 600,000rpm?


The key part is "more than". Even if the drill spins at 1rpm, the statement is still technically true.
 
2013-08-28 09:59:40 PM

jaytkay: This unfortunate black fellow on the right can help you with the dimpling.

Look at how someone messed up his skull.
[500x375 from http://www.bestpantyhosereview.com/wp-content/uploads/2009/01/gaga-lad y-image-4.jpg image 500x375]


I take it you spend a lot of time at bestpantyhosereview.com?
 
2013-08-28 09:59:52 PM

Suckmaster Burstingfoam: jaytkay: This unfortunate black fellow on the right can help you with the dimpling.

Look at how someone messed up his skull.

Sorry, I can't see him. All I can see is the nearly naked Lady Gaga.

I daily to understand btw why tax dollars have to be spent rotating tiny spheres real fast when there are millions out of work and the nation's infrastructure is collapsing.


We could be on the verge of a yet to be invented sphere spinning industry that would create jobs for millions.
 
2013-08-28 10:05:25 PM

Somaticasual: Suckmaster Burstingfoam: I daily to understand btw why tax dollars have to be spent rotating tiny spheres real fast when there are millions out of work and the nation's infrastructure is collapsing.

Because our country sees the need to invest in technologies that might not have an immediate practical purpose, but which lay the foundations for widespread technologies in the future (IE, lasers, cell phones, computers, etc - most of which saw their foundations built during the space race).


And because both of you missed the very clear part in both the headline and article that would have informed you that this was yet another in the long list of technological breakthroughs to occur in Scotland.
 
2013-08-28 10:13:27 PM

pastorkius: I take it you spend a lot of time at bestpantyhosereview.com?


No but THANK YOU FOR THE LINK!!
 
2013-08-28 10:35:40 PM
If they spun a record backwards that fast, will the demonic messages influence you to accept Satan as your evil Lord and Savior that much faster?
 
2013-08-28 10:36:49 PM

Fast Moon: /other than they apparently spin at 600,000rpm?


According to Wikipedia some of them can operate up to 800,000 rpm.
 
2013-08-28 10:54:39 PM

Gordon Bennett: Somaticasual: Suckmaster Burstingfoam: I daily to understand btw why tax dollars have to be spent rotating tiny spheres real fast when there are millions out of work and the nation's infrastructure is collapsing.

Because our country sees the need to invest in technologies that might not have an immediate practical purpose, but which lay the foundations for widespread technologies in the future (IE, lasers, cell phones, computers, etc - most of which saw their foundations built during the space race).

And because both of you missed the very clear part in both the headline and article that would have informed you that this was yet another in the long list of technological breakthroughs to occur in Scotland.


Yes, first they invented the caber toss, then the steam engine, and now they've invented a tiny thing that whirls around very fast.

Kinda spotty record there, Hamish.
 
2013-08-28 10:56:54 PM

jaytkay: This unfortunate black fellow on the right can help you with the dimpling.

Look at how someone messed up his skull.
[500x375 from http://www.bestpantyhosereview.com/wp-content/uploads/2009/01/gaga-lad y-image-4.jpg image 500x375]


I knew someone would post this here.

/glad I didn't have to be the one to do it
 
2013-08-28 11:05:30 PM
Suckmaster Burstingfoam:
Sorry, I can't see him. All I can see is the nearly naked Lady Gaga.

I daily to understand btw why tax dollars have to be spent rotating tiny spheres real fast when there are millions out of work and the nation's infrastructure is collapsing.


Yes. Because all science should come to a total and complete halt until the nation's infrastructure is completely fixed and everyone is employed. ESPECIALLY if we don't understand what the purpose is behind the science, then it MUST STOP while the money is spent on things we DO understand. Like digital cameras taking pictures of naked Lady Gagas.
 
2013-08-28 11:06:01 PM

Gecko Gingrich: Fast Moon: FTA: They were able to levitate and spin a microscopic sphere at speeds of up to 600 million revolutions per minute.
This spin speed is half a million times faster than a domestic washing machine and more than a thousand times faster than a dental drill.

I don't think anyone in the UK knows what a dental drill is.

/other than they apparently spin at 600,000rpm?

The key part is "more than". Even if the drill spins at 1rpm, the statement is still technically true.


They usually have rates around 300,000-400,000rpm.
 
2013-08-28 11:08:47 PM

jaytkay: This unfortunate black fellow on the right can help you with the dimpling.

Look at how someone messed up his skull.
[500x375 from http://www.bestpantyhosereview.com/wp-content/uploads/2009/01/gaga-lad y-image-4.jpg image 500x375]


It's terrible that when I hear the word dimple i immediately think of the most retarded meme ever.
 
2013-08-28 11:22:35 PM

eyeq360: If they spun a record backwards that fast, will the demonic messages influence you to accept Satan as your evil Lord and Savior that much faster?


Replace "Satan" with "Alvin and the Chipmunks"
 
2013-08-29 12:29:57 AM
I wonder...

If said sphere rotates fast enough, even if microscopic, the tangental linear velocity of the outer surfaces can approach relativistic speeds. What would be an awesome experiment would be to see the inertial effects of the outer edge moving at close to light speed while the inner parts would be moving at a linear decrease in tangental speed from the surface. If I remember correctly, as matter approaches the speed of light, it gains mass.

If the sphere could hold itself together, I haven't the slightest clue what would happen, and I'm pretty imaginative, though it's good to assume it will rip itself apart due to the centripetal acceleration acting on the ever increasing mass of the outer layers.
 
2013-08-29 12:42:04 AM
Nuts to the relativistic mass. I wonder what the time dilatation would do the chemistry or at least the thermodynamics.
 
2013-08-29 05:19:12 AM

GRCooper: eyeq360: If they spun a record backwards that fast, will the demonic messages influence you to accept Satan as your evil Lord and Savior that much faster?

Replace "Satan" with "Alvin and the Chipmunks"


I fail to see the difference, personally.
 
2013-08-29 08:41:22 AM

Naesen: I wonder...

If said sphere rotates fast enough, even if microscopic, the tangental linear velocity of the outer surfaces can approach relativistic speeds. What would be an awesome experiment would be to see the inertial effects of the outer edge moving at close to light speed while the inner parts would be moving at a linear decrease in tangental speed from the surface. If I remember correctly, as matter approaches the speed of light, it gains mass.

If the sphere could hold itself together, I haven't the slightest clue what would happen, and I'm pretty imaginative, though it's good to assume it will rip itself apart due to the centripetal acceleration acting on the ever increasing mass of the outer layers.


According to the "Analysis" box on the right side of the page, apparently it vanished.
 
2013-08-29 09:01:19 AM
"...speeds of up to 600 million revolutions per minute.

This spin speed is half a million times faster than a domestic washing machine... "

LOL wut?

I actually understand what they mean here ..but man, when you read it the first time, it sounds like they made a mistake.
 
2013-08-29 12:19:17 PM
Uh oh. A physicist used the term "cetrifugal forces". Let's hope the. Psuedo-intellectual pedants don't find out. They will be here telling us that doesn't really exist.
 
2013-08-29 12:28:28 PM

Perlin Noise: "...speeds of up to 600 million revolutions per minute.

This spin speed is half a million times faster than a domestic washing machine... "

LOL wut?

I actually understand what they mean here ..but man, when you read it the first time, it sounds like they made a mistake.


My pre-caffeine brain read it as saying that washing machines spin at 550 million RPM.

/shouldn't think without caffeine
//ok, granted, "should think"
 
2013-08-29 02:35:22 PM

Perlin Noise: This spin speed is half a million times faster than a domestic washing machine...


Sometimes  xkcd's timing is just a little  too perfect.

imgs.xkcd.com
 
2013-08-29 03:55:53 PM

Naesen: I wonder...

If said sphere rotates fast enough, even if microscopic, the tangental linear velocity of the outer surfaces can approach relativistic speeds. What would be an awesome experiment would be to see the inertial effects of the outer edge moving at close to light speed while the inner parts would be moving at a linear decrease in tangental speed from the surface. If I remember correctly, as matter approaches the speed of light, it gains mass.

If the sphere could hold itself together, I haven't the slightest clue what would happen, and I'm pretty imaginative, though it's good to assume it will rip itself apart due to the centripetal acceleration acting on the ever increasing mass of the outer layers.


Four microns diameter, 600 million RPM = 10 million revs per second. A point on the equator travels a bit more than 12 microns in 100 nanoseconds, 120 microns per microsecond, 120 meters/sec, or about 270 mph.

The world would be a very psychedelic place if 270mph were fast enough to produce relativistic effects, but no.
 
2013-08-29 04:18:42 PM
-sigh- "If the sphere rotates fast enough" was the key phrase in this thought experiment. Back'o'the napkin math points out the fact this experiment didn't do anything close to that :P
 
Skr
2013-08-30 06:23:53 AM

bdub77: jaytkay: This unfortunate black fellow on the right can help you with the dimpling.

Look at how someone messed up his skull.
[500x375 from http://www.bestpantyhosereview.com/wp-content/uploads/2009/01/gaga-lad y-image-4.jpg image 500x375]

It's terrible that when I hear the word dimple i immediately think of the most retarded meme ever.


Pretty silly meme it is, thankfully I still think of "butt dimples" when I hear the word dimple though. (Excellent, even if nsfw, GiS for that as well)


====

 Anyways I wonder if this spinning tech could be used with quantum entanglement.
 
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