Related Experiment Video
Updated: Jul 19, 2025

07:49
Stepwise Cell Seeding on Tessellated Scaffolds to Study Sprouting Blood Vessels
Published on: January 14, 2021
3.5K
A Hansel & Gretel breadcrumb-style dynamically deployed communication network paradigm using mesh topology for
Wolfgang Fink1, Connor Fuhrman1, Andres Nuncio Zuniga1
1Visual and Autonomous Exploration Systems Research Laboratory, College of Engineering, University of Arizona, Tucson, AZ 85721, USA.
Summary
We developed a dynamically deployed communication network (DDCN) for robotic exploration of subsurface environments. This system uses wireless beacons for robust communication, enabling deeper and more extensive exploration of caves and oceans.
Area of Science:
- Robotics and Autonomous Systems
- Planetary Science and Astrobiology
- Communication Networks
Background:
- Subsurface environments like lava tubes and oceans on other worlds are key targets for astrobiology and future human exploration.
- Current communication limitations hinder deep robotic exploration of these challenging environments.
- NASA's 'All Access Mobility' challenge requires advanced solutions for unconstrained subsurface access.
Purpose of the Study:
- To introduce a novel dynamically deployed communication network (DDCN) paradigm for autonomous robotic exploration of subsurface environments.
- To enable robust and extended communication links between subterranean and surface robotic agents.
- To support astrobiological research and potential human habitat exploration in extraterrestrial subsurface settings.
Main Methods:
- Development of a dynamically deployed communication network (DDCN) using mesh topology.
- Autonomous deployment of wireless communication beacons by rovers or submersibles in a 'breadcrumb' style.
- Creation of a robotic testbed with wired/wireless communication beacons for scenario validation.
Main Results:
- The DDCN provides a robust and extended communication link for robotic agents in subsurface environments like lava tubes and oceans.
- The system facilitates data transmission from and potential command reception by subsurface robotic probes.
- The approach directly addresses mobility and communication challenges in NASA's Space Technology Grand Challenges.
Conclusions:
- The DDCN paradigm offers a viable solution for overcoming communication barriers in subsurface robotic exploration.
- This technology enhances the potential for discovering extraterrestrial life and establishing human habitats.
- The developed system supports unconstrained exploration of challenging environments, advancing planetary science and astrobiology.
Related Concept Videos
Hedgehog Signaling Pathway
7.4K
The Hedgehog gene (Hh) was first discovered due to its control of the growth of disorganized, hair-like bristles phenotype in Drosophila, much like hedgehog spines. Hh plays a crucial role in the development of organs and the maintenance of homeostasis in both invertebrates and vertebrates. However, while Drosophila has only one Hh protein, mammals have multiple functional Hedgehog proteins - Sonic (Shh), Desert (Dhh), and Indian Hedgehog (Ihh). All of these homologous proteins have adapted to...
7.4K
Mesh Analysis
721
Mesh analysis is a valuable method for simplifying circuit analysis using mesh currents as key circuit variables. Unlike nodal analysis, which focuses on determining unknown voltages, mesh analysis applies Kirchhoff's voltage law (KVL) to find unknown currents within a circuit. This method is particularly convenient in reducing the number of simultaneous equations that need to be solved.
A fundamental concept in mesh analysis is the definition of meshes and mesh currents. A mesh is a closed...
A fundamental concept in mesh analysis is the definition of meshes and mesh currents. A mesh is a closed...
721
Short-distance Transport of Resources
16.1K
Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
16.1K

