A Brief History of Laptops by Simon Goodman
... It was in the early 80s that the first truly portable computer was developed, the Osborne 1 did not have any batteries, (it had to be plugged in), but at least the data and computer could be transported. A couple of years later, in 1982, the Compaq computers were released. It is widely accepted that the Compaq was not much better than the Osborn 1 but because it was using the new popular MS-DOS operating system, (used on most IBM computers at the time), it proved an instant success.

Chewing Gum Battery Concept; Future Innovation by Lance Winslow
... Well what if we miniaturize that concept into a battery and when you chew on it the battery charges up? What if we used this concept to make a small self charging battery for hikers, bicyclers, joggers. Chew on this battery and make energy. Besides moving one's jaw also incites certain brain waves. I know because I chew on ice cubes and it increases thought. People who work on a computer, row, type on a key board or listen to music will chew with resonance and then you have a power pack ...

Seven Things to Consider When Choosing a PDA by Jason Kohrs
... Use of wireless networking and display backlighting are two other things that can seriously impact battery life on any PDA, regardless of the type or quality of batteries included. Your best bet for information on battery life is to seek out independent reviews or owner comments on a PDA of interest. Final Words With all of the options available, PDAs are far more versatile than they ever used to be. Finding a device with the flexibility to be useful for both business and pleasure doesn’t ...

Home Solar Panels by Ross Bainbridge
... The following are all available as solar-powered items: solar-powered radios; three-, six-, nine-, and twelve-volt selectable solar panels with two-AA chargers; rechargeable halogen lanterns; rechargeable flashlights with universal battery adapters/chargers; light pens; portable solar folding panels; portable power sources; electric fencers; plant turners; cool caps; bicycle lights; fluorescent lights; panels for computer notebooks; go-anywhere portable multi-power sources; energy kits; ...

Basic Technology History by Tyler D Falls
... It was the Epson HX-20, a battery powered portable computer, with a 20-character by 4 line LCD display and a built-in printer that started the new widespread desire for these laptop computers. In January of 1982, Microsoft's Kazuhiko Nishi and Bill Gates begin discussions on designing a portable computer, based on using a new liquid crystal display or LCD screen. LCD technology in 1982? Yeah that's right! Believe it or not we had the technology to make the LCD tvs and monitors that you've ...

Beginning Real Estate Investing - Four Tools You Must Have by Tom Dunn
... you, will shorten your learning curve considerably. There are other tools that I think are important for beginning real estate investing, such as business cards, bandit signs, lock boxes, and a tape measure, but none of them are what I would call indispensable. The four tools I mentioned- financial calculator, flashlight, cell phone, and personal computer - are the things I strongly recommend as you are beginning real estate investing. Want more? Find it atBeginning Real Estate Investing .

Portable Technology: Getting to Know the Treo by Simon Canfield
... Treo 600 – Using a rechargeable lithium ion battery, external battery packs are necessary in order to extend battery life, since the original is built into the device and, therefore, not removable. Upgrades of the internal battery are available – for about $50 – replacing the 1800 mAh battery with a 2000, although the warranty will be voided as a result of such an action. The standard battery offers between five and six hours of talk time, but you can extend the normal life by ...

Power and Your PC by Jason Kohrs
... A continuous UPS always has the devices connected to it running off of battery power, while the batteries are recharged by the normal electrical connection. UPSes are sold in terms of their capacity, in terms of VA (voltage multiplied by amperage). This implies that devices connected to the UPS can draw a maximum of so much amperage at a specific voltage. A run time after a power failure is also generally specified for a UPS based on a full load being placed on the device.