If you're making a 2-mm-long walking robot, it pretty much goes without saying that the thing won't be able to carry much of a battery. That's why Georgia Tech's new "micro-bristle-bots" are instead propelled by vibrations. And someday, they may actually be capable of moving within the human body.
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We've seen robots that can walk, trot, run, and even do backflips, but now a student team is working on a rover robot prototype that is designed to travel in lunar gravity by controlled bounds into space where all four legs leave the ground.
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In a demonstration that less can be more, EPFL scientists are working on simple robots that behave and cooperate like ants. The 10-g (0.35 oz) Tribots are folded like origami, but have the ability to be assigned roles and work together on complex tasks as they jump and crawl over uneven terrain.
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A team of engineers in Germany has created a tiny jellyfish-inspired robot, which can not only swim, but transport objects, mix fluids and even bury itself. It's hoped the five millimeter tetherless "jellyfishbot" could help us understand the survivability of baby jellyfish in changing environments.
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Fans of the movie Prometheus will recall the probes that were sent into the alien structure, autonomously flying through it to create a 3D map of its interior. Well, something kind of similar is now in development, in the form of an underwater robot that maps the flooded tunnels of abandoned mines.
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Engineers have developed a vegetable-picking robot that can autonomously harvest iceberg lettuce, a manually demanding crop for human pickers. Vegebot was trained using a machine-learning algorithm that helped it distinguish healthy lettuces ready for harvest, in a variety of weather conditions.
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All living things are built with 20 amino acids in myriad combinations, so why not machines and robots? This is the inspiration for a novel fabrication method using a handful of multi-use parts to create all manner of tiny machines. Machines who eventually, may even be able to build themselves.
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We've been following the exploits of Harvard's tiny Robobee for a few years now. Until recently, it's been powered via a wire tether, but researchers have cut the cord by installing teeny solar panels on the little robotic insect.
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We’ve seen robots that can respond to touch and voice commands, but what about a robot with a sense of taste? A new experimental device is built to explore this possibility, and in its current form can already perform a little taste test to see if its bathwater has been contaminated.
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A team of engineers at Cornell has built a robotic fish powered by electric blood, which not only serves as an energy source, but acts hydraulically to create propulsion as well. This bio-inspired approach addresses one of the great challenges for small, untethered robots – mass vs. power.
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