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Most of our orders are from repeat customers. Parts-People began as a small company 20 years ago in an extra bedroom of my house. I had saved a small sum of money to purchase some computer parts and began selling them on eBay. After a few months I realized that people needed a place to go for Dell parts so I began building our website. Since we are located in Austin, Texas, where Dell.com was founded, I was able to set up a solid supply line with Dell. From the start, we focused on customer satisfaction and selling quality parts. We have grown a lot since 2002 but still and always the customer will come first. You will find that we go above and beyond with every order and offer free resources and support before and after the sale.
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We've come a long way in prosthetics. Those who have lost their limbs in war, accidents, and other causes have been able to benefit from the advancements in this technology. Some options these days are even low cost, as 3D printing has opened up opportunities of helping those in need. Others are so high-tech, wearers can control their new limbs using their brains, nerves, or muscles. The one thing we have been missing is sensation. These folks may have a workable hand, but can not experience the smoothness of a silk scarf, the heat of a cup of coffee, or even the grip of that coffee cup. New developing research from both the U.S. and Korea is proving a new way to “mimic the elastic and high-resolution sensory capabilities of real skin”.
South Korean researchers have invented a new artificial skin that can pick up temperature, pain, wetness, and itching, making the future of prosthetics more like the real thing than ever. So far, the prosthetic, which doesn't appear as the most friendly hand you've ever seen, is “composed of a flexible, transparent silicone material called polydimethylsiloxane- or PDMS”. The silicone contain tiny nanoribbons for generating electricity when tactile feedback (a squish or a stretch) is applied. Humidity is sensed via capacitors; which when it comes in contacts with moisture, sends a charge, determining the level of moisture (Gizmodo).
It's all pretty fascinating, but it still needs to link up to a human brain to be working sensor skin. But they sure are getting there, considering stretchable sensing materials have been in the works for years. Nothing this sensitive has been successful thus far, and when I say sensitive, I mean true “human” territory, at 400 sensors per square millimeter. Contributing researcher Roozbeh Ghaffari says, “If you have these sensors at high-resolution across the finger, you can give the same tactile touch that the normal hand would convey to the brain”. So, the skin is well on the way. The team is still working out the most efficient way to wire the skin into the wearer's nervous system, and in doing so, minimize the amount of feeling lost during that transmission. According to Popular Science, they “managed to transfer pressure information from the artificial skin into the brain of a rat”, but not in a translatable way for humans.
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We've come a long way in prosthetics. Those who have lost their limbs in war, accidents, and other causes have been able to benefit from the advancements in this technology. Some options these days are even low cost, as 3D printing has opened up opportunities of helping those in need. Others are so high-tech, wearers can control their new limbs using their brains, nerves, or muscles. The one thing we have been missing is sensation. These folks may have a workable hand, but can not experience the smoothness of a silk scarf, the heat of a cup of coffee, or even the grip of that coffee cup. New developing research from both the U.S. and Korea is proving a new way to “mimic the elastic and high-resolution sensory capabilities of real skin”.
South Korean researchers have invented a new artificial skin that can pick up temperature, pain, wetness, and itching, making the future of prosthetics more like the real thing than ever. So far, the prosthetic, which doesn't appear as the most friendly hand you've ever seen, is “composed of a flexible, transparent silicone material called polydimethylsiloxane- or PDMS”. The silicone contain tiny nanoribbons for generating electricity when tactile feedback (a squish or a stretch) is applied. Humidity is sensed via capacitors; which when it comes in contacts with moisture, sends a charge, determining the level of moisture (Gizmodo).
It's all pretty fascinating, but it still needs to link up to a human brain to be working sensor skin. But they sure are getting there, considering stretchable sensing materials have been in the works for years. Nothing this sensitive has been successful thus far, and when I say sensitive, I mean true “human” territory, at 400 sensors per square millimeter. Contributing researcher Roozbeh Ghaffari says, “If you have these sensors at high-resolution across the finger, you can give the same tactile touch that the normal hand would convey to the brain”. So, the skin is well on the way. The team is still working out the most efficient way to wire the skin into the wearer's nervous system, and in doing so, minimize the amount of feeling lost during that transmission. According to Popular Science, they “managed to transfer pressure information from the artificial skin into the brain of a rat”, but not in a translatable way for humans. 
