Download Cool Tech by Clive Gifford PDF

By Clive Gifford

Cool Tech is an exhilarating trip in the course of the actual aspect of the digital global. surprise on the know-how that retains you hooked up, from the ships fitting traces deep within the ocean, the robots finding twine breaks, the satellites beaming signs around the earth, the groups retrieving and splicing traces jointly, to the servers directing and feeding net site visitors around the globe. Plus, have a look again on the historical past of the net, exploring the folk and innovations that ended in its production and journey a digital museum to determine how the expertise has stepped forward through the years altering the lives of standard humans far and wide.

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Sharing expertise Freecycle Michelle Miles, a 19-year-old from Arkansas, began a charitable cause on Facebook. Her “Race to End Cancer” has more than six million members and has raised more than $80,000. Did you know? In 2003, recycling activist Deron Beal sent out an email to about 40 friends and local charities around Tucson, Arizona. He wanted to set up a system in which people offered unwanted goods to others rather than throw them away. The Freecycle Network now operates in more than 85 countries and has more than seven million members.

Silicon Valley It all started here. A stretch of land south of San Francisco, California, became home to the greatest concentration of computing and high-tech pioneers ever known. Named Silicon Valley, after the material that is used in computer electronics, the headquarters of many huge Internet and computing companies are found in the area. Apples to Apple Once full of apple orchards and known as “The Valley of Heart’s Delight,” the Silicon Valley region includes the Santa Clara Valley and the city of San Jose.

Unfortunately, many people use the same weak password for all their accounts. Cyber-criminals can discover passwords with software that runs through every possible character combination. Longer passwords containing symbols and numbers take longer to crack. Top 10 weak passwords 1. password 2. 123456 3. qwerty 4. abc123 5. letmein 6. monkey 7. myspace1 8. password1 9. blink182 10. (your first name) Firewalls A firewall is hardware or, more commonly, software that sits between your computer and the Internet or another network.

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