Top software 2005

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Yet without the tiny silicon chip that sensed the impending collision, the airbag would not have deployed in time. And that's a very key safety device that affects all of our lives. Emergency phone calls are made possible by compact power sources such as nickel-metal hydride and lithium-ion batteries No. Without them, cell phones would be far less dependable and certainly not rechargeable.

Flash memory No. Law enforcement has used science to its advantage with DNA fingerprinting, the process that produces a printed pattern of a person's DNA No. Some of the inventions on the list have brought to life concepts formerly reserved for science-fiction writers. Among them are the space shuttle No. Interestingly, the innovation that laid the groundwork for many of the inventions mentioned above can be found underground, where fiber optics No.

Rounding out the list are modern hearing aids No. Stay tuned to CNN. CNN Pipeline. What's On. Art of Life. Business Traveller. Future Summit. Inside the Mideast. Principal Voices. Talk Asia. The Internet made a world of information accessible to millions of people. Gallery: A look at some of the top innovatons from the last 25 years. Which innovation changed the world most? The Internet 2. Cell phone 3. Personal computers 4. Fiber optics 5. It includes first-rate antivirus, firewall, spam- and spyware-blocking tools, plus a host of extra security features.

PC- cillin's virus scanner is fast without overtaxing system resources, and it has an orderly interface. It also has free phone support. Read the full review. F-Secure Internet Security is the Mercedes-Benz of Internet security programs, offering first-rate tools in a well-integrated package. It features a host of new security tools, including spyware- and spam-fighters, and for parents worried about their children's Internet use, the ability to block offensive Web content.

Its antivirus engine is effective in blocking viral intruders without overtaxing system resources. On the down side, the software package is pricey, and for the extra money, we'd like to see better technical support, including phone and online chat.