Scientist Miroslav Gantar oversees tests on algae specimens at Florida International University in Miami, Florida on Oct. 16, 2009. As it turns out, algae -- slimy, fast-growing and full of fat -- is gaining ground as a potential renewable energy source.Scientist Miroslav Gantar oversees tests on algae specimens at Florida International University in Miami, Florida on Oct. 16, 2009.
A visitor looks at the latest Blu-ray disc players at the Philips stand on opening day at the IFA technology trade fair on Sept. 4, 2009 in Berlin, Germany.
Caribou Coffee, a Minneapolis-based company, started offering free wireless internet service to their customers on Sept. 27, 2006.(credit: CBS)
Forget 3G Web browsing, high-resolution cameras and 3rd-party apps. These phones by NTT DoCoMo, showed off on Jan. 26, 2000, feature a 256-color display.
On June 12, 2009, all television broadcasts switched from analog to digital signals, improving quality while freeing up signals on the radio spectrum. A government program was set up to help viewers pay for converter boxes for older TVs.
The first dual-core computer processors made by AMD and Intel were made available to consumers in 2005. Pictured is Intel's Core 2 Duo, released in 2006. Today, quad-core processors are readily available. Multi-core processors are capable of performing more tasks at once, increasing performance -- but only if the software has been coded to take advantage of them.
Ethernet Wires (credit: Jupiter Images)
Facebook (credit: CBS)
In the United States prior to the year 2000, only the military was allowed to have accurate GPS systems, thanks to something called "Selective Availability." That's when President Bill Clinton relaxed this restriction, making way for civilian products.
A Toshiba HD DVD player is displayed at a Best Buy store Feb. 19, 2008 in San Francisco, Calif. Toshiba Corp. announced that it is discontinuing production of its HD DVD players and recorders effective immediately after longtime partner Time Warner Inc.'s
According to the Leichtman Research Group, the amount of U.S. homes with at least one HD television rose to 46 percent in 2009.
In this 2003 photo, Tokyo University students use space-age material to make this student appear invisible. In 2006, scientists cloaked a copper cylinder.
Apple's iPhone was released in 2007, costing $499 or $599 for 4 GB or 8 GB of memory. At the end of 2009, the iPhone 3G cost $99.
Apple Computer Inc. unveiled a new portable music player, the iPod MP3 music player Oct. 23, 2001 at an event in Cupertino, Calif. The device can hold up to 1,000 songs in digital form.
A display shows the range of colors for the new iPod Nano with video capabilities during an Apple special event Sept. 9, 2009 in San Francisco, Calif.
MySpace was founded in 2003.
The Segway was unveiled in 2001 as a "self-balancing, zero emissions personal transportation vehicle." It received some additional exposure in the 2009 movie "Paul Blart: Mall Cop," which actor Kevin James is pictured here promoting.
Unveiled in 2006, The Tesla Roadster is an electric sports car.
The Toyota Prius became available in the U.S. in the year 2000. In 2009, it's still the most effecient gasoline hybrid car, according to hybridcars.com.