Tuesday, October 17, 2017
Contact us    |    Advertise    |   Help   RSS icon Twitter icon Facebook icon
    Home  ·  News  ·  Forum  ·  Stories  ·  Image Gallery  ·  Columns  ·  Encyclopedia  ·  Videos
Find: in

World's 'fastest spinning object' created


Posted on Monday, 2 September, 2013 | Comment icon 11 comments

Lasers were used to spin and control the object. Image Credit: CC 2.0 Andrew Adams
A team at the University of St Andrews spun a tiny object at 600 million revolutions per minute.
To achieve this speed, the team started with a microscopic sphere of calcium carbonate and used nothing but the force of a laser beam to suspend it in place within a vacuum. To turn the sphere, they relied upon the changing polarization of the laser light that exerted a small twisting force as it passed through it.

The rotational speed achieved was 500,000 times faster than a washing machine and 1,000 times faster that a dentist's drill.

"The rotation rate is so fast that the angular acceleration at the sphere surface is one billion times that of gravity on the Earth surface," said lecturer Dr Michael Mazilu. "It's amazing that the centrifugal forces do not cause the sphere to disintegrate."

Team member Professor Kishan Dholakia also weighed in on the significance of the experiment. "In addition to the exciting fundamental physics aspects, this experiment will allow us to probe the nature of friction in very small systems, which has relevance to the next generation of microscopic devices," he said. "And it's always good to hold a 'world record' - even if for only a while."

Source: BBC News | Comments (11)

Tags: Laser, Spinning

Recent comments on this story
Comment icon #2 Posted by flbrnt on 29 August, 2013, 18:29
Fascinating, Still Waters. Thank you for bringing this to our attention.
Comment icon #3 Posted by cacoseraph on 30 August, 2013, 1:01
Did i miss the part in the article where it disappeared? (edit: ah, the disappearing part was in the little inset paragraph, totally missed it =P) As for the linear velocity at the equator Diameter 0.000004m length around equator (diameter * Pi (I used 3.141592) = 0.000012566368m linear velocity = length around equator * revolutions per second (10 million revolutions per second) = 125.66368m/s that's not even the speed of sound, so quite far from the speed of light. Oh, and even it i had used a more precise value for Pi it would have just added some change to the end of that final number and n... [More]
Comment icon #4 Posted by shrooma on 2 September, 2013, 12:41
revolutions per second (10 million revolutions per second) = 125.66368m/s that's not even the speed of sound, so quite far from the speed of light. . the number of rotations was 600 million per second Cacoseraph, not 10 million, so you may have to adjust your final figure..... . *edit to add* ah. it's 600 million per MINUTE, which is of course 10 million per second. sorry.
Comment icon #5 Posted by pallidin on 2 September, 2013, 18:26
Great read. Hope they continue with the experiments and find something odd or useful.
Comment icon #6 Posted by b0wn on 2 September, 2013, 19:27
Where does it mention that the object disappeared?
Comment icon #7 Posted by cacoseraph on 2 September, 2013, 22:02
Where does it mention that the object disappeared? In the little inset paragraph under the picture of the dude, iirc. I missed it my first read, too. Definitely not in the main body of text. edit: They could make another ball out of radioactive calcium and real easily check if it is disintegrating or doing something more interesting. My money is on disintegration, though.
Comment icon #8 Posted by brlesq1 on 3 September, 2013, 12:02
Pretty cool! Be great to see what comes out of this.
Comment icon #9 Posted by MysticStrummer on 10 September, 2013, 16:55
"A team of researchers claims to have created the world's fastest spinning man-made object." It was promptly hired by FOX News and given it's own show in primetime.
Comment icon #10 Posted by Sundew on 17 September, 2013, 21:40
Could they perhaps use another material, like the exotic forms of carbon that form the "Buckyballs"? They should be much stronger and less likely to fly apart, assuming that is what happened.
Comment icon #11 Posted by keithisco on 18 September, 2013, 9:06
Did i miss the part in the article where it disappeared? (edit: ah, the disappearing part was in the little inset paragraph, totally missed it =P) As for the linear velocity at the equator Diameter 0.000004m length around equator (diameter * Pi (I used 3.141592) = 0.000012566368m linear velocity = length around equator * revolutions per second (10 million revolutions per second) = 125.66368m/s that's not even the speed of sound, so quite far from the speed of light. Oh, and even it i had used a more precise value for Pi it would have just added some change to the end of that final number and n... [More]


Please Login or Register to post a comment.


  On the forums
Forum posts:
Forum topics:
Members:

6006620
258362
170208

 
 Conspiracies & Secret Societies
  City street runes
  My analysis on Las Vegas shooter
  Trump and the Russians
 Stories, Sightings & Experiences
  August 13th lights in the sky
  Poison gas attack
  Kundalini
Neutron star smash signals major breakthrough
10-16-2017
For the first time ever, gravitational waves and light have been picked up from the same cosmic event.
Scottish scientists send a teacake in to space
10-16-2017
Thousands of people watched online as the popular confectionery was launched in to the heavens on Friday.
Mystery 'Watcher' house goes up for sale
10-15-2017
A couple plagued by mysterious letters from the 'Watcher' have been struggling to sell their home.
'Vampire' kangaroos lived longer than thought
10-15-2017
An extinct species of fanged kangaroo survived five million years longer than previously believed.
Featured Videos
Gallery icon 
Schlieren imaging in color
Posted 10-16-2017 | 1 comment
A look at Schlieren imaging - a technique that can help to visualize tiny differences in air.
 
Glowing creatures of the deep
Posted 10-15-2017 | 0 comments
This vintage clip sees Sir David Attenborough descending in to the dark depths of the sea.
 
Slow motion pellet split
Posted 10-14-2017 | 0 comments
The Slo Mo Guys attempt to split an air gun pellet with a knife to pop two balloons.
 
Dog with world's longest tongue
Posted 10-12-2017 | 2 comments
Meet Mochi Rickert - a female St Bernard with a tongue measuring 18.58 cm in length.
 
How do helicopters fly without wings ?
Posted 10-11-2017 | 5 comments
A look at how helicopter rotor blades make it possible to fly vertically in to the air.
 
 View: More videos
Stories & Experiences
Guardian angel ?
9-13-2017 | Middle of nowhere Iowa
 
I'm not normal, but I'm not alone
9-13-2017 | South Africa
 
When I was very little
9-13-2017 | Sturgis So.Dakota
 
Weird light orbs and chills
9-13-2017 | Poland
 
Unexplained light flashes
8-30-2017 | Louisiana
 
A night that I will never forget
8-18-2017 | Massena, NY
 
Shapeshifter
8-18-2017 | Cranbrook British Columbia
 
Ghost experiences ?
8-11-2017 | United States
 
 

         More stories | Send us your story
 
Top   |  Home   |   Forum   |   News   |   Image Gallery   |  Columns   |   Encyclopedia   |   Videos   |   Polls
UM-X 10.7 Unexplained-Mysteries.com © 2001-2017
Privacy Policy and Disclaimer   |   Cookies   |   Advertise   |   Contact   |   Help/FAQ