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Related Concept Videos

pH Scale02:41

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Hydronium and hydroxide ions are present both in pure water and in all aqueous solutions, and their concentrations are inversely proportional as determined by the ion product of water (Kw). The concentrations of these ions in a solution are often critical determinants of the solution’s properties and the chemical behaviors of its other solutes. Two different solutions can differ in their hydronium or hydroxide ion concentrations by a million, billion, or even trillion times. A common means of...
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In designing and analyzing filters, resonant circuits, or circuit analysis at large, working with standard element values like 1 ohm, 1 henry, or 1 farad can be convenient before scaling these values to more realistic figures. This approach is widely utilized by not employing realistic element values in numerous examples and problems; it simplifies mastering circuit analysis through convenient component values. The complexity of calculations is thereby reduced, with the understanding that...
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The centroid is an important concept in engineering, physics, and mechanics. It is the geometric center of a body. It always lies within the body except in cases with holes or cavities. When the material that a body is composed of is uniform or homogeneous, the centroid coincides with its center of mass or the center of gravity.
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Related Experiment Video

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Bioinspired Soft Robot with Incorporated Microelectrodes
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Small-scale soft-bodied robot with multimodal locomotion.

Wenqi Hu1, Guo Zhan Lum1, Massimo Mastrangeli1

  • 1Physical Intelligence Department, Max Planck Institute for Intelligent Systems, 70569 Stuttgart, Germany.

Nature
|January 25, 2018
PubMed
Summary
This summary is machine-generated.

Researchers developed magneto-elastic soft robots capable of diverse locomotion on liquid and solid surfaces. These untethered, small-scale robots can navigate complex environments and perform tasks, advancing micro-robotics applications.

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Area of Science:

  • Robotics
  • Materials Science
  • Bioengineering

Background:

  • Untethered small-scale robots offer potential in microfactories, bioengineering, and healthcare.
  • Current small-scale robots have limited mobility in unstructured environments.
  • Soft robots present greater potential for high mobility through multimodal locomotion.

Purpose of the Study:

  • To demonstrate magneto-elastic soft millimetre-scale robots with enhanced mobility.
  • To showcase the robots' ability to navigate diverse terrains and switch locomotive modes.
  • To present theoretical models explaining the robots' movement.

Main Methods:

  • Fabrication of magneto-elastic soft millimetre-scale robots.
  • Testing locomotion capabilities in various environments (liquid, solid, confined spaces).
  • Development of theoretical models for locomotion analysis.

Main Results:

  • Robots demonstrated swimming, surface traversal, liquid meniscus climbing, rolling, walking, obstacle jumping, and tunnel crawling.
  • Reversible transitions between liquid and solid terrains were achieved.
  • Robots successfully executed pick-and-place and cargo-release tasks.

Conclusions:

  • Magneto-elastic soft robots exhibit unprecedented multimodal locomotion and terrain adaptability.
  • These robots can perform complex manipulation tasks in confined spaces.
  • The developed robots serve as a platform for studying soft-bodied locomotion.