Is Horse the New Mouse?
lopati writes "Europhysics News writes about a new ergonomical mouse called Horse (jpeg) that reduces repetitive stress injuries by allowing 'the three middle fingers to adopt a flexed position to relax the tendons' and including a thumb scrool [sic:] wheel. Just a few simple changes for so much more comfort!"
I can (and do) grip my logitech MX1000 in a way that looks like what they're trying to accomplish... Fingers bent a bit, hand relaxed over the top arch. Its buttons extend quite far along the body of the mouse, it's very comfortable.
vk.
When you use a mouse, do you have your forearm at an angle to the mouse with your index finger on the left button (assuming right-handedness), your middle finger on the right button, and your ring finger on the "forward" button on 5-button mice? I've found that having my forearm parallel to the mouse with my middle finger on the scroll, my ring finger on the right mouse button, and my pinky on the forward button reduces the stress on my wrist since my wrist is no longer twisted at an odd angle. I was wondering if anyone else did this too.
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Wired article as proof
I don't think the split keyboards were meant to "revolutionize" the human interface with computers. They were introduced as a means to reduce stress on wrists.
I love my split keyboard, and the majority of my MS-oriented professional developer friends all use the split keyboard as well. I was having some my wrist fatigue a couple years ago, but it has disappeared since switching to the more ergonomic keyboard. I'm sure they're not good for everyone, but I am extremely grateful that somebody produces them.
Regarding your main point, slightly improved keyboards and mouses are never going to revolutionize anything. For a revolution, an entirely new input device will be needed.