January 20 – George W. Bush is inaugurated in Washington, D.C. for his second term as the 43rd President of the United States

February 10 – North Korea announces that it possesses nuclear weapons as a protection against the hostility it feels from the United States.

March 28: Luxtera has announced a new type of silicon chip which could blend the low-cost manufacturing prowess of the semiconductor with laseroptical networking. By April 2006 Luxtera expect to have an inexpensive chip that can handle 10-gigabit office networks

April 28: The Deep Impact spacecraft takes the first picture of its target comet, Tempel 1. The mission is on schedule to create an impact crater on July 4, 2005.

May 8: Motorola has created a carbon nanotube prototype panel of 4.7 inches that can be a part of a HDTV with a 1,280 x 720 resolution. The nanotube emitting displays (NED) are less expensive, bright, fast response time, wide viewing angle, and color almost as good as CRT’s. NED’s can be in production in two years if adopted quickly by industry

June 6: Apple Computer announces they will change the processors for their Macintosh computer lineup from IBM PowerPCs to Intel-made CPUs

July 4: The so-called “Impactor” released by the Deep Impact probe collides with the Comet Tempel 1 and creates a dustcloud that will be analyzed by telescopes worldwide.

August 10: Apple Computer fails to patent the iPod interface technology because a Microsoft researcher already registered a similar patent in 2002.

September 4: Gamma ray photons arrive at Earth from the most distant Gamma-ray burst known today, and are first detected by the Swift spacecraft.

October 31: Scientists working with the Hubble Space Telescope announce two new possible moons circling the planet Pluto.

November 29: The new version of Firefox 1.5 becomes publicly available for download.

December 31: A leap second is added to UTC at midnight GMT to keep clocks worldwide synchronized with the Earth’s rotation

That it for 2005. Infomation found Wikipedia.org.