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Keyboarding: Microsoft Natural Ergonomic 4000. I was plenty excited when I saw Microsoft was releasing a new non-mangled ergonomic keyboard - the Microsoft Natural Ergonomic Keyboard 4000.

Keyboarding: Microsoft Natural Ergonomic 4000

Now that I own one, I'm not excited any more. I'm ecstatic! This keyboard is the natural heir to the obsolete but much loved Microsoft Natural Keyboard Pro: Microsoft Natural Ergonomic Keyboard 4000: Electronics. Repeated Strain Injury. Using computers for extended periods can cause Repeated (or Repetitive) Strain Injuries or RSI.

Repeated Strain Injury

It is not clear what causes them. The control or the shift keys in the wrong position? Wrong position of the hands? Use of the mouse? People have been typing for years and RSI is a pretty recent phenomenon. The Prevention and Treatment of RSI, Part 2: Increasing the Tissue Repair Rate. This is part 2 of a a series on the Prevention and Treatment of RSI.

The Prevention and Treatment of RSI, Part 2: Increasing the Tissue Repair Rate

SeeThe Prevention and Treatment of RSI, Part 1: Decreasing the Damage Rate for the introduction. RSI stands for Repetitive Strain Injury. In the present discussion, I will concentrate on RSI as it occurs to computer users. A quick primer on RSI: An activity that causes "strain" produces microscopic tears or damage to your tissue.To counteract this, your tissues are able to repair themselves at a certain rate.You get RSI when the rate of damage exceeds the rate of repair for extended periods of time.The prevention and treatment of RSI completely revolve around decreasing the damage rate and increasing the tissue repair rate.In this post, I will be discussing the mechanics and tactics related toincreasing the repair rate.

The Prevention and Treatment of RSI, Part 1: Decreasing the Damage Rate. Learn - Colemak. From Colemak Recommended fingering diagram Typing tutors Notes: Repeat the lessons until you reach at least 97% accuracy without hesitating.

Learn - Colemak

The lessons build on to one another so it is important to be comfortable with all the keys in a lesson before moving onto the next lesson. Theres no need to overpractice lessons because everything you learn will also reviewed in later lessons. Typing tests Results of typing tests in one system are not comparable to results in other systems. Games. Ergonomic Keyboards from Smartfish. DreymaR's Big Bag of Keyboard Tricks - PKL/Windows Edition! (Page 1) / User contributions / Colemak forum.

DREYMAR'S (PKL Win): DreymaR's Extensive Yet Modular AR'Senal (for Portable Keyboard Layout on Windows) WARNING - Some Assembly Required (if you want a locale variant that suits you for instance) This is the sister topic to my main Big Bag Of Tricks topic where I discuss the modifications below in detail along with their implementation into Linux (XKB for the X.Org server).

DreymaR's Big Bag of Keyboard Tricks - PKL/Windows Edition! (Page 1) / User contributions / Colemak forum

In this topic the focus is on PKL implementations of the same "tricks". For a more detailed presentation of any of the topics below, go to the main Big Bag topic, okay? And bear with me for making the Linux topic more fleshed out than the Windows one - it's really not about turf wars but about what I'm using most these days! I use Farkas Máté's excellent Portable Keyboard Layout ('PKL') to achieve most of the above for Windows.

I've updated my PKL layout.ini file (see links to downloads below) to largely correspond to its XKB counterpart when it comes to the lv3-4(AltGr) mappings. Speech Recognition & Programming. Programming by voice. One handed gaming keyboard. 3M Ergonomic Mouse, Optical, USB/PS2 Compatible, Small Size, Black (EM500GPS): Electronics. Similar Devices. Similar Products « Inventige – Innovation, Implementation and Invention. HeadMouse® Extreme [HM-0204-SP] : Shop at Origin Instruments. HeadMouse® Extreme is a leading solution for wireless head-tracking replacing a standard computer mouse for people who cannot use or have limited use of their hands providing them direct select access to their computer or alternative and augmentative communication (AAC) device.

HeadMouse® Extreme [HM-0204-SP] : Shop at Origin Instruments

$500. NaturalPoint's SmartNav 4 is a reliable and accurate, hands-free mouse alternative that allows complete control of a computer by naturally moving the head. With an industry leading price point and the most advanced feature set available, the SmartNav cursor control solution stands above the rest. Unlike other head tracking systems on the market, SmartNav integrates an innovative hardware design with an easy to customize software package, resulting in a complete solution for both the ergonomic and assistive technology community.

Learn more about SmartNav » NaturalPoint was proud to release the latest version of SmartNav. SmartNav 4 Improved Features Include: Sleek aluminum case, with innovative mounting options including 1/4-20 thread mounts for standard tripods Three times the resolution, resulting in more precise tracking Improved light filtering See our SmartNav 3 vs. Camera - FreeTrack optical head tracking software. Camera requirements Recommended cameras Compatibility list Camera requirements Webcams are the most applicable camera to use with FreeTrack as they are common and inexpensive with good PC connectivity and most known brands are suitable for optical tracking.

Camera - FreeTrack optical head tracking software

They typically have specifications of 30fps maximum frame rate, at least 320x240 resolution, 40 degrees field of view and have CPU usage. All have color sensors and an infrared blocking filter which can usually be removed to increase infrared sensitivity but sometimes requires permanent modification. Other types of cameras may need a capture card for connection to PC. Manual exposure is essential for maximum stable frame rate in all lighting conditions and the ability to reliably isolate points.