Researchers draw from 'Star Wars' in developing artificial skin able to replicate sense of touch
The Force is strong with these scientists.
Aug 5, 2020
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Engineering
The Force is strong with these scientists.
Aug 5, 2020
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Consumer & Gadgets
Touching your face is a difficult habit to break, so NASA set out to invent a solution.
Jun 30, 2020
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Business
To make room for toilet paper, hand sanitizer and other items in high demand during the global viral pandemic, Amazon said it is limiting what brands and independent sellers can send to its warehouses for the next three weeks.
Mar 17, 2020
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Robotics
The Korea Institute of Machinery & Materials (President Chunhong Park; hereinafter "KIMM") developed a robot hand capable of handling various objects and tools in daily life, such as holding an egg and cutting paper with ...
Feb 10, 2020
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Computer Sciences
Whatever our hands do—reaching, grabbing or manipulating objects—it always appears simple. Yet your hands are one of the most complicated, and important, parts of the body.
Sep 26, 2019
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Robotics
Human hands are remarkably skilled at manipulating a range of objects. We can pick up an egg or a strawberry without smashing it. We can hammer a nail.
Sep 12, 2019
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Computer Sciences
Capturing interactive hand poses in real time and with realistic results is a well-examined problem in computing, particularly human-centered computing and motion capture technology. Human hands are complex—an intricate ...
Jul 23, 2019
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Robotics
Industrial robots are now widely used and are indispensable in car manufacturing and in other fields. Conventional robot hands are suitable for grasping hard objects of fixed form, whereas it is not easy to grasp complicated ...
Jul 16, 2019
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Machine learning & AI
Sign languages aren't easy to learn and are even harder to teach. They use not just hand gestures but also mouthings, facial expressions and body posture to communicate meaning. This complexity means professional teaching ...
Jan 17, 2019
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Engineering
Consider for a moment the welter of unconscious judgments and adjustments you make every time your hand reaches for an object—say, a tall drink of water. Eyes, muscles, brain and digits coordinate with exquisite speed and ...
Mar 16, 2018
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A hand (med./lat.: manus, pl. manūs) is a prehensile, multi-fingered extremity located at the end of an arm or forelimb of primates such as humans, chimpanzees, monkeys, and lemurs. A few other vertebrates such as the koala (which has two opposable thumbs on each "hand" and fingerprints remarkably similar to human fingerprints) are often described as having either "hands" or "paws" on their front limbs.
Hands are the chief organs for physically manipulating the environment, used for both gross motor skills (such as grasping a large object) and fine motor skills (such as picking up a small pebble). The fingertips contain some of the densest areas of nerve endings on the body, are the richest source of tactile feedback, and have the greatest positioning capability of the body; thus the sense of touch is intimately associated with hands. Like other paired organs (eyes, feet, legs), each hand is dominantly controlled by the opposing brain hemisphere, so that handedness, or the preferred hand choice for single-handed activities such as writing with a pen, reflects individual brain functioning.
Some evolutionary anatomists use the term hand to refer to the appendage of digits on the forelimb more generally — for example, in the context of whether the three digits of the bird hand involved the same homologous loss of two digits as in the dinosaur hand.
The hand has 27 bones, 14 of which are the phalanges (proximal, medial, and distal) of the fingers. The metacarpal is the bone that connects the fingers and the wrist. Each human hand has 5 metacarpals.
This text uses material from Wikipedia, licensed under CC BY-SA