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interview by   -   October 2, 2015

In this episode, Audrow Nash speaks with Brad Nelson, Professor at ETH Zurich, about his research regarding micro and nano robotics. They discuss many of Nelson’s projects: retinal and heart surgery, crystal harvesting, and robots with simulated flagella for mobility.

by   -   March 9, 2015

Imagine a swarm of microscopic robots that we inject into the vascular system: the swarm swims to the source of the problem, then either delivers therapeutics or undertakes microsurgery directly. That was how I opened a short invited talk at the Royal Society of Medicine, at a meeting themed The Future of Robotics in Surgery.

by ,   -   November 18, 2014
Illustration of the different micro-actuators that can be coated with active compounds. (Illustration: Peters C et al. Advanced Functional Materials 2014, reprinted with permission of Wiley.)

Researchers have developed improved forms of tiny magnetic actuators thanks to new materials and a microscopic 3D printing technology.

by   -   January 7, 2014

fukudaAn international leader in the field of robotics and automation, Toshio Fukuda is best known for his pioneering work on micro robotics systems — including microsensors and micro actuators — and his medical intravascular microsurgery simulator has found commercial use. We caught up with Prof. Fukuda following the 2013 IROS conference in Tokyo, which Fukuda co-founded in 1988, to ask him about his groundbreaking work and the role of robotics in medicine.

by   -   December 16, 2013


The DelFly Explorer, a flapping wing MAV equipped with a 4-gram stereo vision system that can fly completely by itself in unknown, cluttered environments. © Delft University of Technology.

The DelFly Explorer is the first flapping wing Micro Air Vehicle (MAV) that is able to fly with complete autonomy in unknown environments. Weighing just 20 grams and with a wingspan of 28cm, it is equipped with an onboard stereo vision system. The DelFly Explorer can perform an autonomous take-off, keep its height, and avoid obstacles for as long as its battery lasts (~9 minutes). All sensing and processing is performed on board, so no human or offboard computer is in the loop.

by   -   June 26, 2013


Unlike larger robots, microrobots for applications in the body are too small to carry batteries and motors. To address this challenge, we power and control robots made of magnetic materials using external magnetic fields. Developed at ETH Zurich’s  Multi-Scale Robotics Lab (MSRL), the OctoMag is a magnetic manipulation system that uses electromagnetic coils to wirelessly guide microrobots for ophthalmic surgery. 

by   -   May 20, 2013


Flies have small brains that would not be able to process high-resolution images such as those that we see with our own eyes. Instead, they’ve perfected the use of compound eyes, composed of a dense mosaic of tiny eye-like structures called ommatidia. Each ommatidium consists of a microlense that focuses light from a specific section of the insect’s field of view onto an independent set of photoreceptors. Think of it as having many low-resolution cameras pointing in different directions. The result is a vision system with low spatial resolution (i.e. it can’t see details), but a wide field of view (i.e. it can see all around). By comparing information across the different ommatidia, flies can extract temporal information useful for detecting motion. This motion information, also called optic flow, is what allows flies to navigate, take-off, land and avoid obstacles while using very little processing power.

by   -   May 2, 2013

Researchers from the Wyss Institute and the School of Engineering and Applied Sciences at Harvard have developed a millimeter-scaled insect robot that can autonomously control its flight. Their findings were published in the prestigious journal Science. The amazing high-speed video below shows the robot taking off, hovering in place and steering left and right on demand. Controlling such small flyers has been impossible so far because of challenges in fabricating tiny actuated systems, and the chaotic movement of small flapping-wing robots. You’ve seen a fly move around your living room, doesn’t seem easy to control right?

by   -   February 19, 2013

A couple years back, a team from Harvard and MIT developed a sheet of “programmable matter” that could fold into 3D structures.

Robots Podcast: Quest for computer vision, with Peter Corke
October 3, 2014

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