The Myo gesture control armband, which Technovelgy readers may recall reading about years ago, has just been integrated into an amazing prosthetic arm developed at Johns Hopkins University.
(Myo-controlled prosthetic arm at Johns Hopkins)
Amputee Johnny Matheny lost his arm to cancer in 2008. At the Johns Hopkins Applied Physics Laboratory, Matheny was fitted with a prosthetic connected directly to the bone in his upper arm. The Johns Hopkins team then designed a robotic arm that can be controlled using Myo.
There are several means of controlling robotic prosthetics, but they broadly fall into two main categories: invasive and non-invasive. Invasive interfaces are generally connected directly to the patient's nerves. Non-invasive interfaces are placed on the skin, using the electricity running through muscles as the patient moves them to control the limb.
This is called electromyography, and it is how the Myo armband works. The user makes slight adjustments to the position of their arm, which can be calibrated and interpreted into commands for the armband. It was only a short leap from there to prosthetics. Rather than design their own interface, the Johns Hopkins team tapped into Myo for Matheny's arm.
Ian Banks mentions something similar in his 2004 novel The Algebraist in this passage about a muscle sensor interface:
The ship accelerated smoothly but moderately hard, creating a distant humming roar. Fassin had a little pad under his right forearm which sensed muscle movements there and adjusted the screen across from him - above from him, now, it felt, as the couch straightened out and the gee-suit supported him...
Earlier, in Harry Harrison's 1960 novel Deathworld, here's another reference to something similar to the Myo gesture control armband:
Here, take your left hand and grasp an imaginary gunbutt. Tense your trigger finger. Do you notice the pattern of the tendons in the wrist? Sensitive actuators touch the tendons in your right wrist. They ignore all patterns except the one that says hand ready to receive gun...
(Read more about Harry Harrison's power holster)
Prairie Madness - And Space Sickness
'Space-sickness is one of the most unpleasant sensations that a human being can experience. Not all are subject to it...' - Hugo Gernsback, 1911.
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Prairie Madness - And Space Sickness
'Space-sickness is one of the most unpleasant sensations that a human being can experience. Not all are subject to it...'
'Old People Began to Cross The Continent In Their Own Cars'
'It was a relief to enter one of the comfortable autos, whisper a direction down the tube, and just know that you would be taken to your destination in the quickest, safest, and cheapest manner.'
Starfall Manufacturing Drugs In Space
'The vast spinning sphere of Factory in the Sky loomed above and ahead of us, gleaming white against the unfathomable jet depths of surrounding space.'
The Solar Oberth Slingshot
'And if it doesn’t work,' inquired Lazarus, 'what does that make us? Sunspots?'
'If Anyone Is Watching Earth...'
'Our study of your race has convinced us that you are not fitted to leave your planet in the present state of your civilization.'