PDA Battery Degradation and Power Loss by Dan Hagopian
Extending your PDA Battery Life so that you get the most cost effective use of your PDA battery begins with always keeping a spare pda battery replacement. PDA batteries are cheap enough that owning a backup pda battery makes absolute sense. Beyond a spare pda battery replacement you can use... If you are using a pda battery (or any lithium-ion or lithium-polymer battery) when your battery's capacity reaches 60% to 70% the pda battery will need to be replaced. ... Contained within your PDA Battery is a design and chemistry make-up that impacts your battery life far more than your usage...

The 24 Hour iPod Battery by Dan Hagopian
The 24 hour iPod Battery: Fact or Fiction? It would be great if our iPods could play non-stop for 24 hours but is it really possible that such a battery exists? How does consumer usage effect the iPod battery life and can such a tiny design space truly accommodate the capacity specifications... My problem wasn't the battery, but the battery life calibration, which has not been done as it should." The reality is all batteries including batteries designed specifically for iPods (regardless of generation) have a certain amount of capacity and once the full amount of the capacity has been...

Personal Wireless with Bluetooth by Karen Wilkinson
If you already have a wireless network for your computers, you may be very interested in what's coming next. Would you like it if your PDA, your mobile phone, your mp3 player and almost everything else you connect to your computer could be wireless too? ... Basically, more than anything, Bluetooth is a replacement for USB: some say that while 802.11 wireless networking is wireless Ethernet, Bluetooth is wireless USB. ... Not Just for Computers. ... Part of the power of Bluetooth is that it isn't just used to connect things to computers -- it can be used to connect almost anything to...

Personal Wireless Networking by Jason Keno
If you've got a wireless network for your computers already, well, you might get a bit excited about what I'm going to say next. How would you feel if your PDA, your mobile phone, your mp3 player and almost everything else you connect to your computer could be wireless too? ... Basically, more than anything, Bluetooth is a replacement for USB: some say that while 802.11 wireless networking is wireless Ethernet, Bluetooth is wireless USB. ... If you take a look through the comprehensive list of Bluetooth 'profiles' (kinds of devices that could, in theory, be Bluetooth enabled), it includes...

War of the Disks: A Close-in Analysis of the Hard Disk Drive vs. the Solid State Disk by Joanne De Peralta
Much has been written about solid state disks (SSDs) becoming the next big thing1 in the IT industry(1). But as to whether or not we have enough knowledge of how it will revolutionize the industry is a different question. How much do we really know about SSDs? ... The difference is that the storage medium is not magnetic (like a hard disk) or optical (like a CD) but solid state semiconductor such as battery backed RAM, EPROM or other electrically erasable RAM-like chip. ... Size Matters To be a true plug-in replacement for HDDs, Flash-based SSDs are manufactured in standard 2.5" and 3.5"...