"Center" and "centre" redirect here. For other uses, see: Center (disambiguation).

In geometry, the centre or center of an object is a point in some sense in the middle of the object. If geometry is regarded as the study of isometry groups then the centre is a fixed point of the isometries.

Circles

---

The centre of a circle is the point equidistant from the points on the edge. Simlarly the centre of a sphere is the point equidistant from the points on the surface, and the centre of a line segment is the midpoint of the two ends.

More on [ Centre (geometry) ]

Wired Top Stories

The Democratic and Republican National Convention Speeches, as Seen Through Wordle
Sarah Lai Stirland Sat, 06 Sep 2008 18:46:00 -0000
The national conventions are over and done, and what remains are the words that the politicians spoke (or didn't). To re-cap those words, we thought we'd create a Wordle gallery of the most notable candidates', spouses', and supporters' speeches.
Metallica: Master of YouTube?
Eliot Van Buskirk Sat, 06 Sep 2008 17:52:00 -0000
Over eight years after Metallica raised the ire of fans by delivering a list of unauthorized file sharers to Napster's headquarters, the band has launched a YouTube promotion featuring fans covering its songs as part of its ongoing repentance.
Cassini Detects Partial Rings With Saturn's Moons
Associated Press Sat, 06 Sep 2008 16:35:00 -0000
The latest images from NASA's Cassini spacecraft show faint, partial rings orbiting with two of Saturn's small inner moons.

News items | ZDNet

Microsoft exec rebuts hypervisor security claims
Fri, 05 Sep 2008 07:28:40 -0700
Microsoft security strategist Steve Riley has answered claims that the company's hypervisor software could be maliciously replaced on PCs without administrators knowing. SYDNEY, AUSTRALIA--Senior Microsoft security strategist Steve Riley has used the vendor's TechEd conference in Sydney to rebut claims by a Polish researcher that Microsoft's hypervisor software could...
Chrome's JavaScript poses challenge to Silverlight
Fri, 05 Sep 2008 06:16:50 -0700
Experts speaking at Microsoft's TechEd conference in Australia warn that JavaScript will continue to get speedier, making it the biggest rival of Silverlight technology. The biggest rival for Microsoft's next-generation Silverlight web technology will be JavaScript, not Adobe's ubiquitous Flash, according to experts speaking at Microsoft's TechEd conference in...
EA's 'Spore' aims to create new worlds, businesses
Fri, 05 Sep 2008 05:26:53 -0700
Electronic Arts's creature-building game "Spore" offers players a chance to develop new worlds--and maybe even new lines of business for the video game maker. RALEIGH, North Carolina--Electronic Arts's creature-building game Spore offers players a chance to develop new worlds--and maybe even new lines of business for the video game...

IT Management - RSS Sponsorship

Services capability. Check. Financing arm. Check.
Sat, 06 Sep 2008 06:40:03 -0700
National Wind, the wind development company focused on encouraging local investment and ownership for its wind projects, has completed its purchase of investment banker Delphi Financial. Given how quickly National Wind is signing new projects, the company figured it made sense to acquire its own renewable energy...
Services capability. Check. Financing arm. Check.
Sat, 06 Sep 2008 06:40:03 -0700
National Wind, the wind development company focused on encouraging local investment and ownership for its wind projects, has completed its purchase of investment banker Delphi Financial. Given how quickly National Wind is signing new projects, the company figured it made sense to acquire its own renewable energy...
Services capability. Check. Financing arm. Check.
Sat, 06 Sep 2008 06:40:03 -0700
National Wind, the wind development company focused on encouraging local investment and ownership for its wind projects, has completed its purchase of investment banker Delphi Financial. Given how quickly National Wind is signing new projects, the company figured it made sense to acquire its own renewable energy...

Subscribe to Information_Technology RSS feed