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Subterranean investigations


University of California - Santa Barbara
We’ve seen robots take to the air, dive beneath the waves and perform all sorts of maneuvers on land. Now, researchers at UC Santa Barbara and Georgia Institute of Technology are exploring a new frontier: the ground beneath our feet. Taking their cues from plants and animals that have evolved to navigate subterranean spaces, they’ve developed a fast, controllable soft robot that can burrow through sand. The technology not only enables new applications for fast, precise and minimally invasive movement underground, but also lays mechanical foundations for new types of robots.
“The biggest challenges with moving through the ground are simply the forces involved,” said Nicholas Naclerio, a graduate student researcher in the lab of UC Santa Barbara mechanical engineering professor Elliot Hawkes and lead author of a paper on the cover of the journal Science Robotics. Whereas air and water offer little resistance to objects moving ....

Nicholas Naclerio , Santa Barbara , Andras Karsai , Elliot Hawkes , Daniel Goldman , Georgia Institute Of Technology , Hawkes Lab , Georgia Institute , Dunn Family Professor , சாந்தா பார்பரா , ஆண்ட்ராஸ் கர்சாய் , டேனியல் கோல்ட்மேன் , ஜார்ஜியா நிறுவனம் ஆஃப் தொழில்நுட்பம் , ஜார்ஜியா நிறுவனம் , டன் குடும்பம் ப்ரொஃபெஸர் ,

Rapid rovers, speedy sands: Fast-tracking terrain interaction modeling


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IMAGE: Engineers and physicists from MIT and Georgia Tech are enabling near real-time modeling of wheels, treads, and desert animals traveling at high speeds across sandy terrains. Dynamic Resistive Force Theory, .
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Credit: Photo by Jack Delulio on Unsplash
Granular materials, such as sand and gravel, are an interesting class of materials. They can display solid, liquid, and gas-like properties, depending on the scenario. But things can get complicated in cases of high-speed vehicle locomotion, which cause these materials to enter a triple-phase nature, acting like all three fundamental phases of matter at the same time.
As reported in the April 23, 2021 issue of the journal ....

United States , Georgia Institute Of Technology , Shashank Agarwal , Andras Karsai , Ken Kamrin , Daniel Goldman , School Of Physics , Department Of Mechanical Engineering , Massachusetts Institute Of Technology , Dynamic Resistive Force Theory , Resistive Force Theory , Science Advances , Massachusetts Institute , Georgia Institute , Mechanical Engineering , Dunn Family Professor , Georgia Tech , ஒன்றுபட்டது மாநிலங்களில் , ஜார்ஜியா நிறுவனம் ஆஃப் தொழில்நுட்பம் , ஷாஷாங்க் அகர்வால் , ஆண்ட்ராஸ் கர்சாய் , டேனியல் கோல்ட்மேன் , பள்ளி ஆஃப் இயற்பியல் , துறை ஆஃப் இயந்திர பொறியியல் , மாசசூசெட்ஸ் நிறுவனம் ஆஃப் தொழில்நுட்பம் , மாசசூசெட்ஸ் நிறுவனம் ,