The DFU (Device Firmware Update) mode is needed to update/upgrade/restore an Apple iDevice, however if you want to flash a custom .IPSW file you must enter a Pwned DFU mode i.e. a special DFU mode which had exploited limera1n jailbroken core to allow operations not permitted by the normal Apple DFU core.

Here is a simple to follow, visual tutorial on how to enter the Pwned DFU mode on an Apple device using ever handy redsn0w jailbreaking tool.
TinyUmbrella is an indispensable tool in the war between jailbreaking community and Apple, the software allows users to save their iDevice SHSH files making it possible to later downgrade or restore a firmware (.IPSW) even when Apple has blocked that forcing users to upgrade to a newer version.

Touch interactive user-interfaces are the latest trend across today's gadget and gizmos landscape, however if you are not willing to shell out premium money for these expensive touchscreens here is something of your interest.

This is something you might have not thought using your iPhone for - a Virtual Sex messenger. Well it's possible now, thanks to LovePalz Sex Toyz - a two-way self-pleasure gadget which allows users to simulate sex from anywhere in the world via an WiFi connection. The LovePalz system features ‘Hera’ for ladies and ‘Zues’ device for men, which connects to each other over internet via iPhone apps to share pleasure in realtime.

While almost all high-end smartphones from Samsung, HTC, Nokia, LG, Motorola etc. feature the tough chemically treated "Gorilla Glass" technology from making there phones scratch and break resistant. The most talked about smartphone right now - the Apple iPhone 5 also features the "Corning® Gorilla® Glass 2" and you will be amazed to see how tough this glass is in the stress test video posted below.
Desktop 3D printing is the next big thing to happen in printing technology. While there can be some 