Tag: Toshiba Pa3534u-1brs battery
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Self-Contained Battery Concept Charges Itself
This rechargeable battery concept couldn’t be simpler. Grab the top and bottom of the dead battery and wind it up! The spring inside the battery housing then turns and charges the power cell inside. Designed by Yeon Kyeong Hwang and Mieong Ho Kang, these wind-up batteries could charge anywhere without external power. The top half…
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How Lithium-ion Laptop Batteries Work
Lithium-ion batteries are incredibly popular these days. You can find them in laptops, PDAs, cell phones and iPods. They’re so common because, pound for pound, they’re some of the most energetic rechargeable batteries available. Lithium-ion batteries have also been in the news lately. That’s because these batteries have the ability to burst into flames…
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Top 10 Professional Cameras
A digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that uses a mechanical mirror system and pentaprism to direct light from the lens to an optical viewfinder on the back of the camera. Professional dSLR cameras are fundamental for serious photographers. From top-of-the-line resolution to fully customizable settings, professional dSLRs combine…
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Top 10 mobile phones to look forward to now
The world of mobile tends to go into a prolonged summer snooze after the endless announcements of Mobile World Congress and the rush to best those phones quickly in the following months. But that’s not to say there aren’t stacks of amazing new blowers set for release later this year. Here’s our Top 10 to…